What should I do if people often suffer from insomnia in middle age? Famous Chinese medicine teacher teaches you the secret formula for nourishing

   red net moment July 1 (correspondent Zeng Xiaojia and Li Xuanmei) As people grow older, their physical functions begin to decline, and their immunity and resistance also decline. When people reach middle-aged and old age, many chronic diseases also follow. At present, the incidence of insomnia in the elderly over 65 in China has reached 20% to 50%. Insomnia is a relatively high incidence among middle-aged and elderly people. Gu Yitang doctor Wang Juan pointed out that frequent insomnia will cause a lot of damage to the health of middle-aged and elderly people. In response to insomnia, Wang Juan proposed dialectical, prevention and recuperation methods for middle-aged and elderly people.

  Insomnia is also a disease

  Insomnia is very common in life. Many people question whether it is a disease? Wang Juan pointed out that insomnia is one of the common clinical symptoms, and it is indeed a disease. Insomnia can seriously hinder people’s normal life. Memory loss, hair loss, high blood pressure, depression, etc., are all possible consequences of insomnia. And refractory insomnia will make patients become dependent on sleeping drugs, which can cause iatrogenic diseases.

  Prescribe medicine to treat insomnia

   Chinese medicine believes that insomnia is most closely related to these internal organs. The first is the heart. The ancients said: “The heart is the master of the five internal organs.” The second is the liver. If the liver blood is insufficient or there is a problem with the liver meridian, the soul cannot be hidden and sleep disorders will also result. In addition, sleep has a great relationship with the viscera of the brain, gallbladder and stomach. One of the key points of Chinese medicine in regulating insomnia is to dialectically type, emphasizing treatment based on syndrome differentiation. To treat insomnia, we must first understand the types of insomnia. There are four common types of insomnia syndromes.

  The first type is insomnia of liver depression and fire. This type of insomnia is characterized by late drowsiness; when you sit and doze, once you lie down to sleep, the drowsiness disappears; you have more dreams when you fall asleep, and you can remember when you wake up. The treatment direction of this insomnia is to soothe the liver and relieve depression.

  Patients suffering from this insomnia can drink bergamot mulberry tea, because it contains peach kernels, jujube kernels, wolfberry and other ingredients. Among them, bergamot and citron have the effect of soothing the liver and regulating qi.

   The second type is kidney yin deficiency type insomnia. This type of insomnia is characterized by wanting to sleep but it is very difficult to fall asleep; extremely sensitive to light and sound during sleep; prone to night sweats and frequent urination after falling asleep; long sleep time, but after waking up, lack of energy, poor memory, and heel pain . The conditioning direction of this insomnia disease is to nourish yin and nourish the kidney. You can eat more Yuzhu, Polygonatum, yam and other nourishing ingredients.

   The third type is phlegm-fire disturbing heart-type insomnia. This kind of insomnia is the most terrible and can cause many complications, such as atherosclerosis, stroke, tumor, and cardiovascular and cerebrovascular diseases. It is characterized by non-drowsiness and excitement; it sleeps every second during the day, but only sleeps for three to five minutes; sometimes one or two days of sleeplessness a month. To treat this type of insomnia, expectorant, reduce fire, and calm the nerves.

   The fourth type is insomnia caused by upset stomach. This type of insomnia is characterized by drowsiness, but after going to bed tossing and turning, can not fall asleep until 1 or 3 in the morning, and like to sleep on the prone and right side. The treatment direction of this kind of insomnia disease is to strengthen the spleen and stomach, increase gastrointestinal motility, digestion, and insomnia will naturally be cured.

  For different types of insomnia. The nursing method is also different. Therefore, in the treatment of insomnia, we must type and dialectically, and then prescribe the right medicine after distinguishing the insomnia syndrome.

   Nowadays, soaking feet has become a necessary option for people to maintain their health. Soaking feet is also a good way to treat insomnia and improve sleep. Wang Juan suggested adding some Chinese herbal medicines to the foot bath, which can improve the symptoms of restlessness, insomnia and dreaminess, while adding vinegar to the feet can regulate and relax tense nerves and improve sleep.

The slower you wake up, the better? Such patients must be careful

   High blood pressure patients are often told by doctors that they need to wake up slowly, especially elderly hypertensive patients. So what is the reason?

   First of all, we must understand a medical term closely related to it-orthostatic hypotension, also known as orthostatic hypotension. Simply put, when a person is lying or sitting or squatting, and then suddenly stands up, within 3 minutes, the systolic blood pressure drops by ≥20mmHg, the diastolic blood pressure drops by ≥10mmHg, and the person feels dizzy or faint.

   This is because when the body position suddenly changes to an upright position, a large amount of blood flows to the lower extremities and abdominal cavity under the influence of gravity, resulting in a decrease in return blood volume, a sudden drop in blood pressure, and a series of health-damaging symptoms, which usually occur within a few seconds of standing. . Elderly hypertensive patients need to take a variety of antihypertensive drugs to control their blood pressure, and the ability of elderly patients to self-regulate blood pressure also decreases to varying degrees.

   Therefore, people who are at risk of orthostatic hypotension, including the elderly, those who stay in bed for a long time, and those who take antihypertensive drugs, especially those who have combined antihypertensive therapy with multiple drugs, should pay attention. Whether you are lying down, sitting or squatting, be very careful when you need to stand up.

  The correct process of getting up is to stretch out your limbs, sit up on the bed, hang your feet at the edge of the bed, then stand up slowly by supporting the bed, and then move slowly when you feel no discomfort.

   In addition, in addition to waking up, standing from a sitting or squatting position, such as urination or defecation, orthostatic hypotension is more serious, so you should pay attention to slow movements and support surrounding objects to avoid falling.

   In addition, patients with hypertension should also adhere to the following lifestyles in their daily lives:

  1. Reduce sodium salt intake: each person eats no more than 5 grams of salt per day (the amount of salt in a beer bottle cap), and pay attention to the intake of salty condiments such as pickles, MSG, soy sauce, and vinegar.

  2. Weight loss: maintain body mass index (BMI) <24kg/m2, waist circumference (male) <90cm, waist circumference (female) <85cm.

  3, moderate exercise: regular moderate-intensity exercise, 30 minutes each time, 5-7 times a week; keep warm during exercise; avoid the high incidence of cardiovascular events, choose afternoon or evening exercise; wear comfortable, Choose a safe place; do not exercise on an empty stomach to avoid hypoglycemia; stop exercising when you are sick or feel unwell during exercise.

  4. Quit smoking and avoid passive smoking: After quitting smoking, in addition to a drop in blood pressure, the efficacy of antihypertensive drugs will also be greatly improved.

   5. Limit alcohol consumption: People who drink alcohol have an increased risk of stroke. It is recommended not to drink alcohol. Drinkers should give up alcohol or reduce their drinking as much as possible.

  6. Maintain mental balance: reduce mental stress and maintain a happy mood.

  7. Pay attention to blood pressure self-management: measure blood pressure regularly, take antihypertensive drugs regularly, and seek medical treatment on time.

   In addition, sharp rises or violent fluctuations in blood pressure can cause danger and even life-threatening. Therefore, care should be taken to avoid such incidents in life. For example, eat more foods containing crude fiber to prevent constipation; try to avoid activities that require temporary breath-holding overnight, such as moving heavy objects; wash your face with warm water as much as possible on cold days; the environment and water temperature should not be too different before and after bathing and during bathing ; When the bathtub is used and the bathtub is deep, it is recommended to soak only below the chest. In short, any event that may cause an increase in blood pressure should be taken seriously.

  This article is scientifically checked by Zhang Haibo, medical director and associate researcher of the Basic Hypertension Management Office.

What to do with the uncontrollable “fart”?

   red net moment July 2nd (correspondent Shi Yanzhi) farting is a normal physiological reaction, but Xiaofan is not simply farting, but can’t control it at all, which makes him It was embarrassing. The office often heard Xiaofan’s fart, and he couldn’t control it even when he was going to dinner with colleagues. This seriously affected Xiao Fan’s life, so recently, Xiao Fan came to Changsha Dongda Anorectal Hospital for treatment.

  The attending doctor Yu Rengui listened to Xiaofan’s description of his condition and told Xiaofan that the main place where gas is produced in his body is the stomach, because the stomach secretes gastric acid, which breaks down food, and hiccups are used to expel gas from the stomach And made a response. After the stomach food reaches the intestine, it has actually become mushy. At this time, these mushy foods need to be further decomposed by microorganisms in the intestine. In this process, methane is produced, and then as the body’s excretion continues Go down and get out of the body by farting.

   It can be seen that the health of the stomach and intestines is directly related to farting. If there is no problem with the diet, then the disease must be considered and professional treatment is required.

  Yu Rengui pointed out that there are three main reasons for farting.

  一. Eating habits

  Farting is mostly caused by eating gas-producing foods. For example, sweet potatoes and legumes can cause farting. Because beans contain a large proportion of oligosaccharides, our body cannot absorb these substances. After these substances enter the intestinal tract, the bacteria will produce a lot of gas when they start to work, so eat less of this type of food.

   In addition, you need to adjust your diet. It is best not to overeating. When eating, you should pay attention to chewing slowly, so as not to eat too much air while eating. You can give yourself a cup every day. Yogurt can effectively change the bacteria in the gastrointestinal tract.

  二. Digestive system

   Many people who often fart have certain digestive system problems. If they don’t digest after eating, and there are some unhealthy lifestyle habits, they will increase the gas in the body, and farting is a kind of excess gas in the body. The way of excretion, this kind of situation generally does not need treatment, you can adjust your diet by changing your eating habits, and eat more easily digestible foods.

   But some gastrointestinal diseases are also likely to cause more gassing, such as gastritis, gastric ulcers, etc. Therefore, if the disease has not been relieved after adjusting the diet, then the disease must be considered and professional methods need to be used for treatment .

  3. Pathological factors

   If a person fart smells unpleasant, then you need to be cautious. The unpleasant smell is directly related to hydrogen sulfide. If you don’t eat garlic, onions and other irritating foods in your usual diet, then you need to be cautious. If you don’t eat too much meat, there may be some gastrointestinal dysfunction, and this is one of the early symptoms of malignant transformation of the large intestine. If you fart too much and smelly, you have to consider whether your body is abnormal.

   After a professional examination, Xiao Fan knew that he had gastritis. At present, under Yu Rengui’s treatment, he is already in the recovery stage. Changsha Dongda Anorectal Hospital reminds that farting is a normal and healthy physiological reaction, but if you fart too frequently, you have to pay attention to it. If necessary, go to a professional anorectal hospital for examination.

How much do you know about Xiaoshu folklore? Popular among folks, “Shixin”, eating lotus root

   Chinanews client, Beijing, July 6th (Reporter Shangguanyun) “Small summer heat, steam up and down.” Xiaoshu is the fifth solar term in summer, although it is not a mid-year At the hottest time, but at this time, people in many places can already feel the power of the high temperature.

   Xiaoshu is a solar term that represents temperature changes. In order to cope with the hotter weather in the future, there are some folk customs that have been passed down for a long time, such as paying attention to “food new”; some people will take advantage of the fine weather to dry clothes and books.

  The origin of Xiaoshu

  According to the traditional algorithm, Xiaoshu is the end of the noon in the Ganzhi calendar and the beginning of the last month. At this time, the sun reaches 105° of the yellow longitude, and it meets on July 6-8 of the Gregorian calendar every year.

   Regarding the origin of this solar term, Wu Cheng’s “Moon Order Seventy-two Hou Jijie” records: “June… Big, but the heat is still small today.”

  shu has the meaning of “hot”. Xiaoshu is small heat, not very hot yet. However, although Xiaoshu is not the hottest time of the year, the next solar term is the big heat. There is a saying among the folks that “small heat and big heat, steaming and boiling down”.

  ”The solar term is a concept of time.” Folklore scholar Wang Juan explained that Xiaoshu is not a festival, and folk customs are not particularly complicated. “After this solar term, the weather starts to become sultry.”

   “Xiao Shu let out a thunder, turn it back and make a yellow plum.” Before and after the summer heat, in addition to harvesting winter and spring wheat and other crops in some areas, agricultural production is mainly busy with field management, and special attention should be paid to preventing drought, waterlogging, and wind disasters.

  How to deal with the hot weather?

   Facing the hot weather after the summer, people have some conventional practices.

   The weather is hot in summer. Although there were no refrigerators in ancient times, large households often stored some ice cubes in advance and used them in summer. Some businesses also chop up seasonal fruits such as bayberry and peaches and place them in ice to make cold drinks, much like the current “ice porridge”.

   Taking advantage of the sunny days and high temperatures before and after the summer heat, people will hurry up to take out books or clothes that have not been worn for a long time, and put them in the sun to dry, which can remove the musty smell and prevent the books from damp and insects. .

  A girl who loves beauty, she also buys jasmine flowers to put on her hair. It is said that when jasmine flowers bloom during the small summer heat, women in ancient times liked to make jasmine hairpins with pedicles into flower balls, which were worn on their heads or on the plackets, with a pleasant fragrance.

  How much do you know about food and folklore?

  Considering the hot weather, people tend to eat lighter in summer.

   In some places, there is a folk custom of eating lotus root in Xiaoshu. The lotus root contains a lot of carbohydrates and multiple vitamins, which has the functions of clearing heat and nourishing blood. In daily life, the fresh lotus root can be simmered over a small fire, sliced ​​and eaten with a proper amount of honey, which will help calm the nerves and fall asleep.

  The folk custom also retains the “new food” folklore, that is, after a small summer, people taste new rice. People use the newly harvested rice to cook, pay homage to ancestors and the “god of five grains,” and they will also taste new wine. In cities, you usually buy a small amount of new rice and cook it with old rice, and then eat some newly marketed vegetables.

  ”Duck soup and winter melon soup are cool in nature and are more suitable for summer consumption.” Wang Juan said, similarly, “you can eat millet in small summers and valley in great summers”, and “heat-relief soup or porridge made with lotus leaves, barley and other materials,” It can also be eaten appropriately.”

   In the north, people drink mutton soup to nourish the body during the small and big summers. There is a saying that “sheep” and “yang” are homophonic, the metabolism is faster in summer, and the loss of yang is more, which can supplement yang. (End)

How to regulate gastrointestinal health in summer

  Summer season, the weather is hot, and it is also a season when gastrointestinal diseases are high. So how can we effectively adjust gastrointestinal function and prevent gastrointestinal diseases? Li Junxiang, director of the Department of Gastroenterology, Dongfang Hospital, Beijing University of Traditional Chinese Medicine, reminded: There should be three precepts and three suitable practices.

  Quit eating cold. In summer, as the temperature rises, the natural sun is becoming more and more vigorous, and the natural humidity also increases. Correspondingly, the moisture in the human body will increase accordingly. Therefore, people often lose their appetite and always like to eat something cool and refreshing. Therefore, various cold drinks, cold foods, and cold dishes are popular. Although cold food is refreshing, overeating can damage the spleen and stomach yang, increase the moisture in the body, and make the appetite worse. At the same time, symptoms such as stomach bloating and loose stools can occur.

  Second quit eating spicy food. Spicy things have the effect of reducing moisture and ventilating, so it can increase appetite. Mala Tang, barbecue, etc. are foods that many people like. In summer, the yang energy is strong, and the yang energy moves upward and disperses. When the weather is hot, some people feel weak and weak, sweat a lot, and lose energy. This is because of excessive yang and excessive sweating, causing both qi and yin to be injured. If you eat spicy food again, the pungent can disperse the qi, and the heat can damage the yin, which will aggravate the damage of the body’s qi and yin. Although it has a refreshing effect, it lays down the hidden dangers of gas consumption and yin damage.

  Three abstentions from eating and drinking. In the hot weather, the spleen and stomach become more damp, and the spleen and stomach become wet, which leads to loss of appetite. Excessive sweating can damage the qi and yin, so the digestive function of the human stomach and intestines is significantly reduced. Because of the hot weather, people like to enjoy the cold while eating supper, invisibly they will overeating. The gastrointestinal function is already reduced, and if you add more food and drink, the burden on the gastrointestinal tract will be heavier, which will easily lead to gastrointestinal dysfunction.

   said three precepts, let’s take a look at Sanyi again.

  One Yi eats more kimchi. Kimchi is made from cabbage, cabbage, or cabbage and other seasonings, which are soaked and fermented under the action of Lactobacillus. Kimchi tastes salty and sour, tastes crispy, bright in color, and has a tangy aroma. It has the effect of appetizing and refreshing, sobering up and removing greasiness. It can not only increase appetite, help digestion, but also promote the body’s absorption of iron. Sauerkraut fermentation is the result of lactobacillus decomposing sugars in cabbage to produce lactic acid. Lactic acid is an organic acid. After being absorbed by the body, it can increase appetite and promote digestion. At the same time, when cabbage becomes acidic, the nutrients contained in it are not easy to lose. In addition, kimchi tastes sour and has the effect of nourishing yin and promoting body fluid, which is quite suitable for the damage of qi and yin in summer.

  Eryi multi-food mustardDie. In summer, the weather is hot and the summer is more humid. Various cold dishes, cold noodles or cold skins can easily damage the spleen and stomach, causing moisture to stay in the spleen and stomach. Coupled with a variety of cold drinks and fruits, eating too much can cause dampness and phlegm, which affects digestion. Mustard is called white mustard seed in Chinese medicine, which has the effect of warming up phlegm and dampness. If you add some mustard when mixing cold dishes, cold noodles or cold skin, it can be seasoned, and it can warm the spleen and stomach, help digestion, and eliminate dampness and phlegm. In addition, people who often eat mustard have an experience, that is, after eating mustard, a pungent smell hits the head. Although it is a bit uncomfortable, it can make the mind clear afterwards. So people might as well eat more mustard in summer.

  Sanyi eat more beans. As we all know, mung beans have the effect of clearing away heat and relieving heat. And beans are rich in protein, and contain unsaturated fatty acids and various vitamins. Compared with the saturated fatty acids contained in meat, unsaturated fatty acids are more beneficial to the human body. In addition, bean sprouts are also good vegetables in summer. Bean sprouts can be eaten as vegetables or as soup. In the silk reeling factory of the old society, there was a rule that all workers working in the factory must eat bean sprouts every day. why? Because the working environment of the silk reeling factory is humid and sultry, and bean sprouts have the effect of clearing away heat and relieving heat and dampness. So, this can be said to be a kind of labor protection. Therefore, everyone should pay attention to eat more beans in summer, which can effectively relieve the impact of summer humid weather on people.

In the summer season, the amount of this summer fruit should be controlled

   News from Beijing, July 6th by Yangguang Net. Xiaoshu is the fifth solar term of summer, which means the official start of the summer season. Under such climatic conditions, the human body sweats more due to the heat, and the increased consumption leads to fatigue. Therefore, the Xiaoshu solar term should take good health measures as soon as possible.

   In order to relieve the heat of the outside weather, the human body uses sweating to dissipate heat. Excessive sweating will damage the body’s yin fluid, so you can drink more porridge soup when the weather is hot and sweating a lot. Such foods to add water, if you add some ingredients that benefit Qi and reduce heat. Watermelon is the best food to cool off the heat.

   watermelon is called the “king of midsummer”, refreshing and quenching thirst, tastes sweet and juicy, is the best fruit of midsummer, watermelon contains a lot of glucose, malic acid, fructose, protein amino acids, lycopene and rich Vitamin C and other substances are a kind of food with high nutritional value.

   is good for the heart and bones

   contains a lot of lycopene in watermelon. Lycopene is an antioxidant that can prevent free radicals from damaging the body and cells. A study showed that lycopene is also good for maintaining heart health and bone health.

   Prevention of heart disease and prostate cancer

   contains a lot of lycopene in watermelon, which can fight against heart disease and prostate cancer. Watermelon releases lycopene immediately, so you will not cook or boil the watermelon first. A cup of watermelon contains 40% more antioxidants than tomatoes.

   fight infection

   Two cups of watermelon contain the daily requirement of β-carotene, which the body uses to make vitamin A. If low beta-carotene will make you vulnerable to viral infections and vision problems.

   accelerate the healing process

  Watermelon is one of the fruits that produce citrulline. Citrulline is an amino acid used for wound healing and cell division. Uneaten white meat even contains a lot of citrulline.

   overcome pressure

  Watermelon is a good source of potassium, which can help control your blood pressure. It is for this reason that watermelon has become a food to enjoy with the family.

   However, although watermelon is good, it must be eaten with a certain degree. It is recorded in the “Compendium of Benzao” that watermelon was called “cold melon” in ancient times because of coldness and relieving heat.

  1. Don’t overeat

   Watermelon is a raw and cold food. If you eat too much at one time, it will hurt the spleen and stomach. Therefore, people with deficiency of the spleen and stomach and indigestion should eat less. If you eat too much, you will have bloating, diarrhea, and decreased appetite. It will also accumulate cold and help dampness. disease. If you eat too much watermelon at a time, the large amount of water in the watermelon will dilute the gastric juice, causing indigestion and decreased gastrointestinal resistance.

  2. Diabetics should eat less

   watermelon contains about 5% of sugar. Excessive consumption of watermelon in diabetic patients will also lead to increased blood sugar and urine sugar. In severe cases, ketoacidosis and coma may even be life-threatening. If you eat 25-50 grams of watermelon at a time, it will have little effect on people with diabetes. Therefore, people with diabetes should pay attention to the appropriate amount when eating watermelon.

  3. Don’t eat watermelon at the beginning of a cold

   Whether it is wind-cold cold or wind-heat cold, its initial stage is a manifestation, and it should be treated with a divergent method that allows the pathogen to be resolved from the surface. Chinese medicine believes that if you have not solved it, you should not attack the inside, otherwise it will cause the evil to enter the inside and aggravate the condition. In the early stage of a cold, when the pathogen is on the outside, eating watermelon is equivalent to taking a medicine to clear the heat, which will attract the evil into the inside, make the cold worse or prolong the cure time. However, when a cold aggravates high fever, thirst, sore throat, yellow urine and other fever, you can eat some watermelon while taking the normal medicine to help the cold heal.

  4. People with renal insufficiency eat a small amount

   Eating a large amount of watermelon in a short period of time increases the body’s water content and exceeds the body’s physiological capacity. In patients with renal insufficiency, the ability of the kidneys to regulate water is greatly reduced, and excessive water entering the body cannot be regulated and excreted from the body, resulting in a sharp increase in blood volume and easy death due to acute heart failure.

  5. Don’t eat watermelons that have been opened for too long

   The temperature is high in summer, and watermelon will spoil and breed germs if it is opened for a long time. Eating it can cause intestinal infections. Therefore, when buying watermelons, you should pay attention to choosing freshly opened watermelons.

  6. Eat less ice watermelon

   Although eating ice watermelon on a hot day has a good heat-relieving effect, it is very irritating to the stomach and can easily cause damage to the spleen and stomach, so you should pay attention to the temperature and quantity of delicious food. For those with tooth decay (tooth decay) and tooth hypersensitivity who will feel sore after being cold, as well as those with poor gastrointestinal function should not eat ice watermelon. (Compiled from An’an Net, etc.)

Don’t laugh when you eat

   People often say “Don’t laugh when you eat”, this actually has a certain scientific truth.
   Both the food we eat and the air we inhale pass through the pharynx, where the air enters the trachea through the larynx, and the food enters the esophagus. When breathing, the epiglottic cartilage is like a raised lid, allowing the air to flow unobstructed; when swallowing, it will cover the throat like a lid to prevent food from entering the trachea. Some people occasionally joked and laughed while eating. When swallowing, the epiglottis had no time to cover the cartilage. When food enters the trachea, it will cause a violent cough. When a foreign body blocks the human trachea or throat and causes airflow to be obstructed, suffocation will occur, which may cause irreversible injury.
   In fact, the pharynx plays a vital role in the process of eating. The pharynx is a common part of the respiratory system and the digestive system. The human respiratory system is composed of the respiratory tract and lungs. The nose, pharynx, larynx, trachea and bronchi in the respiratory system are the channels for gas to enter and exit the lungs; the digestive system is composed of the digestive tract and digestive glands The digestive tract is a very long tube, including the oral cavity, pharynx, esophagus, stomach, small intestine, and large intestine. When food and air pass through the pharynx, it is like a person facing a forked road, except that food and air cannot “go the wrong way”, because once food enters the trachea, it is likely to be life-threatening. In order to avoid this situation, you can learn the Heimlich emergency method to expel foreign objects in the trachea.
   Heimlich First Aid Method, also known as Heimlich’s manual technique, is a first aid method invented by American physician Henry Heimlich mainly for foreign body stuck throat. The Heimlik first aid method is a first aid method that uses residual air in the lungs to form a flow of air to flush out foreign objects.
   It is worth noting that the Heimlich First Aid Method is not applicable under all circumstances. If the choked person can cough and talk, he can use his instinct to clear the airway voluntarily at this time. If the choked person is unable to cough or speak, cannot breathe at all, or even catches his neck with his hands, develops cyanosis and blue complexion, he should immediately use Heimlik’s first aid.
   This article is scientifically checked by Huang Shaohua, a senior teacher at No. 2 Middle School, Chaisang District, Jiujiang City, Jiangxi Province.
This work is the original “Science China-Science Principles”, please indicate the source when reprinting.

When summer comes, the hair gets oilier and more washed? You may have made these four mistakes

   Summer is here, and hair has become a problem for many girls. Whether it’s long or short hair, if you don’t wash your hair, it’s greasy. Short hair is even more constricted. No matter what kind of shampoo you change, it won’t help.
   Careful people will find that the oily hair generally starts from the roots and then gradually develops to the tips. It can be seen that hair oil is mainly caused by the scalp becoming oily, because excessive scalp oil secretion leads to greasy hair.
  So, what are the reasons for the oily hair?
  First, bad habits.
  ①People who eat high-calorie, high-fat and spicy food often have excessive sebaceous glands secreting oil, which will cause oily hair;
  ② People who like to stay up late and have excessive mental stress will have a disorder in their internal secretions, leading to excessive oil secretion.
   Second, wash your hair too often.
   Wash your hair frequently to wash off the oil on your head. As soon as the sebum receives the message of “lack of oil”, it will further secrete oil, so that more and more oil will make your scalp more and more oily.
   Third, the body lacks water.
  Hair is the same as human skin, and most people with oily skin are also prone to oily hair. People who do not like to drink water in life will suffer from water shortage in the body, and the body’s water-oil balance will be broken. Excessive oil secretion will naturally lead to excessive oily skin and hair.
   In addition, the high temperature and ultraviolet rays in summer will double the loss of moisture in the hair and cause the scalp to become oily.
  In our daily life, how should we improve the quality of our hair so that it is not so prone to oily?
  First, pay attention to adjusting your eating habits. Eat less fried, greasy, spicy, alcoholic and caffeine-containing foods and beverages. Don’t overdo sweets and milk and dairy products, because these foods can easily stimulate the formation of scalp and scalp.
   Second, pay attention to rest, stay up late, and relieve the pressure in life in time.
   Third, pay attention to the frequency of washing your hair. Compared with dry hair, greasy hair should be washed more frequently, just wash it every other day. If you must wash your hair every day, choose a mild shampoo.
   Fourth, the choice of shampoo is very important.
   Regardless of brand and price, shampoos on the market can be roughly classified into three categories based on surfactants: soap base, sulfate (SLS/SLES) and amino acid. The soap base is mainly composed of fatty acid + alkali, such as lauric acid, myristic acid, stearic acid, potassium hydroxide, sodium hydroxide, etc.; the most common ingredients of SLS/SLES are sodium laureth sulfate and laurel Sodium alcohol sulfate; the common name composition of amino acids is xx acyl x acid x, such as sodium lauroyl glutamate, sodium cocoyl glutamate and so on.
  Different types of shampoo products are suitable for different scalp conditions. In terms of cleansing power and irritation, soap base> SLS/SLES> amino acid.
  Amino acid shampoo is suitable for healthy scalp and dry scalp. It is weakly acidic and has a pH value close to our scalp. Its cleansing power is mild and not irritating.
  Soap base and SLS/SLES are suitable for oily scalp or summer use. They are weakly alkaline and have strong cleaning power and irritation.
   Fifth, wash your hair with warm water around 20°C. Excessive water temperature will stimulate the secretion of oil on the scalp and make the hair more oily. Too low water temperature will shrink the pores, making it impossible to clean the dirt in the hair.
   Sixth, pay attention to the steps of shampooing. When washing your hair, use plenty of water to wash away the dust and dandruff on your hair to reduce the amount of shampoo and damage to the scalp. In the process of shampooing, gently massage the scalp with your fingertips, which not only increases blood circulation, but also reduces scalp formation.
   This article is scientifically checked by Zhou Xiaobo, a medical doctor from Shanghai Jiaotong University.

Beware of ticks in summer outdoor activities

   Recently, Qingdao Sixth People’s Hospital received more than 20 patients who were bitten by ticks. Most of them were in serious condition, and four of them died unfortunately. After the Dragon Boat Festival, a mother in Beijing brought her child to the hospital. She said that the whole family went to the suburbs during the Dragon Boat Festival holiday. After returning home, she found that her child had two moving “black beans” on her body, and she couldn’t get it anymore. The doctor examined the skin of the child with a dermoscopy and found that there were two gray-black worms measuring 2 to 3 mm in size on the child’s left shoulder. The heads of the two worms were pierced into the skin, sucking blood, and their feet were still moving. The doctor told the child’s mother that the two “black beans” were ticks, and immediately sealed the worms with paraffin oil. After an hour, the two worms were basically motionless. The doctor used tweezers to pull the two worms out of the skin. The frightened mother let out a long sigh of relief. The doctor told her that the child still needs to take antibiotics for a few days to avoid secondary infections.
  1. What is a tick
   Ticks are commonly known as Cao Cang Zi, belonging to the order Paramites and Ticks superfamily. It is divided into Ixodesidae, Soft ticks and Narodidae. 104 species of Ixodesidae and 13 species of Soft ticks have been recorded in my country. Ticks often live among the furs of livestock and other animals, while ticks in the wild mostly hibernate in grasses, trees or mountain soil in shallow hills and hills.
  2. What are the hazards of tick bites to the human body
   The hazards of ticks are mainly manifested in two aspects: on the one hand, skin damage and itching will occur at the site of the tick bite, and even severe allergic reactions will occur. On the other hand, ticks are the vectors and hosts of some zoonotic diseases. The main diseases that ticks can transmit are fever with thrombocytopenia syndrome, anaplasmosis, forest encephalitis, Lyme fever, hemorrhagic fever and so on.
   Among them, fever with thrombocytopenia syndrome is the most common. The main clinical manifestations are fever, with a body temperature of more than 38°C. In severe cases, the fever may continue to be above 40°C, accompanied by fatigue, lack of appetite, nausea, vomiting, etc. Some cases have headaches, muscle aches, diarrhea and other symptoms. The prognosis of the vast majority of patients is good, and a small number of patients are severely ill and develop rapidly, and may die due to multiple organ failure.
  3. How do ticks find their hosts
  Ticks have a keen sense of smell, and are especially sensitive to animal sweat and exhaled carbon dioxide. The sensing distance can reach 15 meters. The larvae, nymphs and adults of the tick can suck blood and leave the host after they are full of blood. The blood sucking capacity of ticks is very large, and the body can swell several times to dozens of times after being full of blood in each developmental period.
  4. How to prevent being bitten by ticks
   Try to avoid staying in the main habitat of ticks such as grass, woods and other environments for long periods of time. If you need to enter such areas, you should pay attention to strengthen personal protection, wear long-sleeved shirts, and tie your trouser legs and cuffs tightly. After returning from a trip, take a shower and change clothes. Check your body and clothes carefully. In addition, to eliminate ticks on pets in the house, spray trichlorfon and other insecticides.
  5. What should I do if I am bitten by a tick
   The sooner the tick is removed, the better. If it is not removed in time, the tick will bite for a long time, suck a lot of blood, and may release more toxins and pathogens. So how to remove it? There are barbs on the tick’s head, and the more you pull the hook, the tighter it becomes, and it is easy to leave the tick’s head in the skin when it is pulled. Therefore, when conditions permit, it is best to seek medical help.
   If you are handling it yourself, it is best to apply alcohol, herb oil, kerosene, turpentine or dry tobacco oil on the head of the tick. Or light a mosquito coil next to the bitten site to “anaesthetize” the tick and let it fall off by itself. You can also use pointed tweezers to take it out vertically, and then use iodine or alcohol for local disinfection. However, whether the tick falls off by itself or is taken out manually, the physical condition must be observed at any time. When the body is unwell, such as fever or inflammation, ulceration and erythema at the bitten site, seek medical advice promptly. Be sure to tell the doctor about the tick bite when you see a doctor, so as not to miss the best time for treatment.
   (Author: Dermatologist, Beijing Tsinghua Chang Gung Memorial Hospital)

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