Sweating is common in hot weather. Many people think that sweating in summer is a good thing and can promote detoxification and health. Although it's a bit embarrassing to wear a tight white shirt under your sweaty armpit, there are still many interesting tips about sweating. These water droplets may reflect the operation of various organs in your body, and even some beauty products are devoted to controlling the amount of perspiration (yes, we are talking about antiperspirants).
There are three kinds of normal sweating: when you are exercising or in a hot environment, you often sweat. This can be called "warm sweat; When you feel nervous, dumbfounded or ashamed, you will "sweat", which can be called "mental sweating; There are also times to eat spicy food. Often called "sweating", it can be called "taste sweating", and there are also "cold sweat" and "hot sweat". For example, when people are nervous, their skin becomes white and cold, and then sweating is called "cold sweat: sweating during exercise or when people's body temperature rises. At this time, the skin is prone to turn red and fever, and the sweating at this time is called" hot sweat ".
How much sweat to sweat. There are great differences between individuals. Generally speaking, if there are many sweat glands, you will sweat more and less: fat people sweat more and thin people sweat less; Infants with strong blood sweat more, and elderly people with declining physique sweat less; Sweat more when you are active, and sweat less when you are active; Sweat more when it is hot and less when it is cold. It is reported that a steel worker can sweat 7000 ml or 8000 ml a day. A physiologist once estimated that a British steel worker sweats 15000 ml a day, which is really the world champion in sweating, but there are also people who don't sweat. Three such sick children have been found in Bengbu City, Anhui Province.
Identifying abnormal body signals from sweat
What comes out from the armpit is "pressure sweat"
Generally, when the pressure is too high, the human body will have nervous disorder, which is generally manifested as anxiety, depression and sweating. American studies have found that when people are under great pressure, apocrine glands will promote the production of sweat. Because apocrine glands are distributed in certain parts such as armpits, areola and anus, these places are more prone to "stress sweating". This sweat contains fat and protein. Mixed with bacteria on the skin, it is more likely to produce sweaty smell. Experts pointed out that if people want to reduce "stress sweat", they must learn to relieve stress. Taking a deep breath, drinking water, eating fruit and drinking milk when sweating are also beneficial to relieve stress.
Dizziness and sweating may lead to heatstroke.
If you sweat a lot at high temperature and stop sweating in the shade, you will feel dizzy immediately, which means you are probably suffering from heatstroke. Sometimes heatstroke can cause nausea, vomiting and other symptoms. Shen said that once the above symptoms appear, you should immediately replenish water and rest. If the symptoms can't be relieved quickly, you need to be sent to a doctor urgently. As a preventive measure, we should reduce going out during the high temperature period from 10 am to 3 pm; When you have to go out, it is best to wear a sun hat, play a sun umbrella and pay attention to hydration; Try to have a light diet, and drink a bowl of mung bean soup or mung bean porridge every day, which is conducive to clearing away heat and relieving summer heat.
"salty sweat" means insufficient exercise and drinking water.
Does sweat drip into your eyes when you exercise? Will sweat leave white marks on your face after it dries? These are all caused by salty sweat (high salt content in sweat). People who usually drink more water and eat a low-salt diet are prone to this situation once they don't drink enough water during exercise. Experts remind that it is very important to increase drinking water during exercise.
Sweat smells like fish. Maybe you ate the wrong food.
According to the research data of the National Institutes of Health, the fishy smell may be caused by a genetic disease. The body of such patients can't decompose the compound trimethylamine produced by eggs, beans and fish during digestion. Trimethylamine can produce unpleasant smells such as rotten fish or rotten eggs through sweat, urine and breathing. On the one hand, these patients should go to the hospital for treatment, on the other hand, they should try to avoid eating this kind of food.
Sweating behind the neck, beware of hypoglycemia.
The normal blood glucose before meals is 70 mg/dl ~ 1 10 mg/dl. When the blood sugar is lower than 70 mg/dl due to diabetes or strenuous exercise, hypoglycemia symptoms will appear, with typical symptoms of sweating, chills or wet and cold skin, especially at the back of the neck and hairline. At the same time, we should also pay attention to whether there are symptoms such as rapid heartbeat, trembling, nausea, dizziness and blurred vision.
Experts say that in summer, people have poor appetite and sleep, and are more prone to hypoglycemia. When hypoglycemia occurs, you should quickly change to the shade, eat some biscuits, fruit, chocolate or drink a glass of sugar water. If the symptoms do not improve, you need to be sent to the doctor in time. In public places, if someone has hypoglycemia, they should provide food and drink on their own initiative, and don't watch, so as to ensure quiet environment and good air circulation.
Exophthalmos with fear of heat and sweating, beware of hyperthyroidism.
Fear of heat and excessive sweating is one of the characteristics of hyperthyroidism. In addition, it is also manifested as emaciation, increased heart rate, mental tension, difficulty in falling asleep, and increased stool frequency. In severe cases, the eyeball appears prominent. Shen reminded that once these symptoms appear, you should seek medical treatment in time and treat the symptoms. Ensuring iodine intake is the main measure to prevent hyperthyroidism, such as proper intake of foods containing more iodine such as kelp and laver.
Cold and sweaty limbs may cause heart disease.
In the absence of obvious reasons, if you suddenly sweat, even get soaked, pale or gray, cold limbs, accompanied by angina pectoris and shoulder radiation pain, you should immediately suspect the possibility of heart attacks such as angina pectoris and myocardial infarction. Shen said that when a heart attack occurs, vasovagal overreaction and coronary artery spasm can lead to sweating and chest pain, and then the heart rate and blood pressure suddenly drop. People with heart disease should take first aid medicine with them just in case. Once they have an attack, it is best to lie flat and rest, unbutton their collars, and call the emergency number immediately when the situation is serious.
10 Interesting fact you don't know.
1, sweat contains salt.
Sweat contains salt, which explains why sweat hurts a little when it flows through a wound or enters the eyes. After sweating for a long time, sodium will be lost with the loss of water. Extreme situations will occur after a lot of exercise, and athletes will have so-called' hyponatremia', that is, the content of sodium (that is, salt) in the body is too low. Therefore, during exercise, water and electrolyte should be supplemented by sports drinks.
You may have heard that sweating can detoxify, but this is not the case.
You may have heard that sweating can detoxify, but this is not the case. Experts explained that sweating is actually the loss of water, salt and some electrolytes, and sweating has nothing to do with other systems of the body. So if you are worried that antiperspirants will affect your detoxification, it is a bit alarmist.
3. The antiperspirant principle of deodorant is different.
The antiperspirant principle of deodorant is different. "Deodorant means self-evident, it will cover up the smell produced by the body. Generally speaking, Asian women have light body odor and do not need deodorant. Male sweat glands are active, so you can choose deodorant products containing antiperspirants to avoid sweating from the root. But using antiperspirant does not mean that you don't sweat all over your body, but where you spray it and where you don't sweat.
Excessive sweating can be treated with Botox.
Hyperhidrosis can be treated with Botox-hyperhidrosis is a disease that will affect people's normal life. Yes, it is Botox used to smooth wrinkles and fine lines. Botox is injected into the armpit to prevent neurotransmitters from activating sweat glands. Because if the neurotransmitter can't get the signal, the sweat glands won't secrete sweat. However, this is not a permanent solution.
Sweating is a physiological process to cool the body.
Sweating is a physiological process that cools the body, so people call it a "natural cooling system". By sweating, the body tries to return to the ideal body temperature.
6. When sweat evaporates, it can take away the heat on the skin.
When sweat evaporates, it can take away the heat from the skin, but in a humid environment, this process may slow down. Therefore, experts explain that if you feel hot on wet days, it may be because sweat can't evaporate quickly. In extreme cases, if the humidity index is too high, the sweating system may stop working.
7. Besides temperature, there are many other factors that can cause sweating.
Besides temperature, there are many other factors that can cause sweating. The nervous system can activate sweat glands, which explains why you sweat when you are afraid or excited. When you have a fever, sweating is also one of the normal reactions of the body (the body is cooling itself), or when you drink alcohol, alcohol will dilate blood vessels and lead to sweating.
8. We have many sweat glands.
We have many sweat glands. Studies show that each of us has about two to four million sweat glands, and there are more women than men. But men's sweat glands are more active than women's, which explains why you can often see sweaty boys in the gym.
9. There are two kinds of sweat glands: exocrine glands and apocrine glands.
There are two kinds of sweat glands: exocrine glands and apocrine glands. There are exocrine glands all over the body, and apocrine glands generally have hair follicles, such as armpits. Therefore, when sweat flows into hair follicles, if it comes into contact with bacteria, it is likely to cause odor problems.
10, sweating is dehydration.
According to the survey, the average person may sweat as much as 1 and 7 liters an hour in extremely hot environment. In other words, sweating is dehydration, which is one of the reasons why you should always hydrate. After some sweaty exercises (such as high-temperature yoga), be sure to replenish water and electrolytes in time.
Conclusion: The above is a summary for you. Through the above introduction, you know how to look at your health from the sweating posture. Hurry up and look at your health according to the above. Do you know anything about sweating? Always remember to clean your skin and keep healthy when sweating!