First of all, let's see what it is like to sweat. "Sweating is the inevitable process of cooling the body." When the body is overheated, the nervous system stimulates the sweat glands to sweat. As the sweat evaporates from the skin, it also brings body heat to the air. (Imagine that when the body is still wet, the skin is cold, when the water is dry, the body is also cooled. When the sweat evaporates, it is the same as this process, let your body cool.)
But we often hear that sweating can "detoxify", which is not scientific. 99% of the sweat is composed of water, and a little electrolyte, such as salt. Although a very small amount of toxin may be excreted through the body, "detoxification" is mainly done in the liver, kidneys and lungs, not through the skin.
How much is sweating?
It is normal to talk about how much sweat is now. Everyone's sweating is different, most of them are in the normal range, some people sweat more, some people sweat less. If you have been sweating all the time, don't worry too much, everyone will always have a basic amount of sweat. Most people sweat significantly during exercise, in high temperature, under stress, sputum or uncomfortable conditions. For example, on the first date, everyone will be nervous and sweat a little.
But if you have been sweating a lot, especially for certain body parts, it may be hyperhidrosis, which affects 2% of people. One type of hyperhidrosis is called local hyperhidrosis, which is most likely caused by genes. The sweating sites occur mostly in specific body parts (usually underarms, feet, hands or face). The second type is a side effect caused by other diseases such as diabetes or hyperthyroidism, menopause, and the like. If you really feel that you are sweating a lot, you can go to the doctor to see if you are hyperhidrosis.
How does fitness affect sweating?
If you have ruled out physical illnesses and still sweating, what is going on? This may indicate that your body is tangible. Studies over the past decade have shown that trained long-distance runners sweat faster and sweat more than untrained people.
The better your body shape, the more effective your body will sweat. This is a good thing, because sweating can help you cool down, allowing you to hold iron, run or ride for a long time at high intensity (because the body is too hot, it is easy to get heat stroke).
But this does not mean that you don't sweat when you sit still. Sweating is closely related to a person's maximum oxygen uptake, and maximal oxygen uptake is used to assess cardiorespiratory function and aerobic endurance. Studies have shown that the higher the maximum oxygen uptake of a long-distance runner, the faster he starts sweating and the more sweating he has.
It may be a bit complicated, doing the exact same exercise (such as jogging at a speed of 8 kilometers per hour on a treadmill), people who are not fitness may reach maximum oxygen uptake faster than fitness people, then he will sweat more. Faster and more, even if the fitness person is generally more sweaty. Because fitness people may exercise at 80% of the maximum oxygen uptake, people who are not fitness are only 50%.
On the other hand, if the fitness person and the non-fitness person exercise according to the same exercise intensity (such as 60% of the maximum oxygen uptake), the fitness person runs at a pace of 10 kilometers per hour, than the person who does not exercise. Running at a speed of 8 kilometers per hour, sweating is faster and more. This also explains why trained runners sweat more than non-fitness people because they can run faster, have more calories, and sweat more.
Other factors
Gender
In one study, men and women who had been exercised were grouped together, and men and women who had not exercised were divided into another group and exercised in a high-temperature gym. The researchers wanted to know the sweat gland activity and overall sweat rate of each rider.
RESULTS: Men who exercised had the most sweating, especially during higher-intensity exercises. The sweating amount of the woman who exercised ranked second. Even though women have more sweat glands than men, they generally have less sweat than men.
2. Weight
Another reason can also explain the above findings: men are heavier and have more muscles, so they exercise more calories than women. Further research shows that the higher a person's BMI (Body Mass Index), the more sweating.
3. Coffee
A cup of hot latte can significantly increase your body temperature and will also make you sweat. If you have a diuretic coffee, so go to the bathroom before you exercise, it may actually be less sweating. After drinking coffee, you need to add a lot of water to maintain your body's moisture. It is best to drink a small amount of water 2-3 hours before exercise. After the exercise starts, it should be hydrated every 10-20 minutes.
4. Alcohol
After drinking a little wine, will it blush? Alcohol can make your heart beat faster, expand your skin and let blood flow to the surface of your skin. This will also increase your body temperature and sweat more. Perhaps hot yoga practitioners feel that they can drain alcohol by sweating completely, but the fact is that only 5% of alcohol flows away through urination, breathing and sweating, and 95% of alcohol is metabolized by the liver.
5. Spicy food
Eating spicy food will also raise the body temperature, so that the body will sweat and cool. If you have a lot of sweat and feel uncomfortable when you eat spicy food, it may be a taste sweating syndrome. People with this condition have almost no taste (even ice cream) on any food. If it is indeed this problem, you need to see a doctor.
6. High temperature
You may see "high temperature", you will feel that you do not agree, but the high temperature weather can actually raise the body temperature, improve heart rate and blood flow to let the core cool. The weather is a double-edged sword, and the humidity in the air will increase, so the sweat on the skin is difficult to evaporate and the cooling process is delayed.
in conclusion:
There are many factors that determine how much sweat a person has, and the “normal range†of sweating varies from person to person. The healthier your body, the more sweat you can, and the longer it takes you to run, lift, ride, or perform other sports. But if you continue to sweat very exaggeratedly, especially in specific parts of the body, it may be a relatively rare disease called hyperhidrosis. Can see the doctor to confirm.
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