Why do some four-legged friends do not sweat and many other things to know about the sweat.

* What is welding?
* When welding is smelly?
* What do the sweat glands
* Sweating from overheating
* Sweat cools the body
* The skin needs to sweat
* Sweating for good genes
* Sweating as a disease

Tips from excessive perspiration

Everybody’s doing it, but nobody is really this: Sweating is a good and natural reaction of the body. But who suffers from excessive sweating, for the bad reputation of perspiration often becomes a massive problem that can limit the quality of life.

What is welding?

Welding is 99 percent water. In small amounts it receives saline, which caused the slightly salty taste. In addition, trace amounts of urea, and fatty acids and amino acids, ammonia and lactic acid. They occur because the skin works as a kind of auxiliary kidneys and helps to rid the body of waste materials.

When welding is smelly?

By itself, sweat is odorless. That he stinks, is a widespread legend. Unpleasant smell only that which makes the skin bacteria left when they break down the sweat secreted from scent glands. One of these “waste products”, for example, butyric acid, which provides the typical pungent sour smell of sweat. The most widely perceived as unpleasant smelling sweat is so exclusively from the glands in the armpits, genital area and below the nipples. Against this work helps the bacteria as a first line of defense washing.

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What do the sweat glands

An individual has two or three million sweat glands. There are two types: the small or eccrine sweat glands are distributed over the whole body. They are particularly dense in the armpits, the palms on the soles and the insides of the elbows. Up to 400 of these tiny glands are distributed over a square centimeter of skin. On the back, for example, there are only around the 60th. There are also large or apocrine glands. They are formed during adolescence in the armpits and pubic area. They also give off sex-specific scents and form the individual body odor. As children up to puberty secrete no secretions from the scent glands, they smell much better than adults.

Sweating from overheating

Sweating is a natural process that helps the body in regulating body temperature and thus protects against overheating and exhaustion. Because the excess heat generated by the body continuously, can be dangerous. The best of the organism works at the temperature around 37 degrees. Higher temperatures lead to interference, the brain reacts at 40 ° C with 41 degrees of confusion and a deadly heat stroke and circulatory failure threatens. Around 30,000 temperature sensors on the outer dermis of the body, known as thermoreceptors measure, therefore, the body temperature continuously. These results go to the control center in the hypothalamus. This is vital because the metabolism of a person alone produces so much heat that would increase every hour without cooling the body temperature by one degree. Add to this heat and exertion, which can increase the “Operating” section.

Sweat cools the body

The evaporation of sweat on the skin, cut the body heat and cools the heated skin. This is an effective mechanism to deliver excess heat. It will only work when a welding film forms on the skin. Dripping sweat, which flows in abundance, is in heat regulation shed in vain. How well this works depends protection mechanism, incidentally, does not depend on the temperature outside. Sweat evaporates, even if it is cold. Wind had a significant influence: the more it blows, the better the heat can be dissipated.

Sweating is the way even at rest. Even if we do nothing about notice, is constantly regulates our body temperature through perspiration. On average, half a liter of sweat we give away in this way per day. With great effort, this value can increase to up to eight liters per day! Water conducts sweat from the way far better than the good insulating air. Competitive swimmers lose about an hour around a third liter of sweat, like Uwe Wollstein of the Department of Sports Physiology, University of Mainz has found.How much a person sweats depends on his physical condition, the condition and body weight. Sweat-promoting effect of alcohol, caffeine and nicotine. Even strong emotions such as fear, excitement or anger play a role. To enable the production of secretions called apocrine sweat glands that are located in the armpit, chest and genital area.

The skin needs to sweat

Sweat cools the body. It also protects and nourishes the skin, by ensuring adequate moisture and forms a protective acid mantle. The sweat also contains an effective weapon against skin pathogens. How does this work, the researcher Birgit Schittek, head of the welding work group of the Tubingen University Dermatology Clinic, found: the human sweat glands produce a natural antibiotic that protects the skin permanently from pathogens. Therefore, one should also not wash too often, as this may destroy the natural antibiotic protection coat and pave the way for skin infections and eczema free.

Sweating for good genes

But there is another reason why the person is sweating. Sweat gland fragrance contains sexual messengers, called pheromones. They signal a woman, for example, if a man has an immune system that ensures highly resistant progeny.

Sweating as a disease

The most important disease of the sweat gland is the hyperhidrosis. It is locally or all over your body produces more sweat excessively. Usually the sweat glands on the palms, armpits and soles of the feet are overactive. Physicians diagnose hyperhidrosis, if a person produces, within five minutes in an armpit, at least 100 ml of sweat.

Excessive sweating causes problems

Sweating is normal in itself, useful physical reaction. However, this reaction has a bad reputation. Sweat, and sweating are usually used in a derogatory manner: One speaks, for instance, that someone is in a cold sweat on his face. Or that someone does “sweating like a pig,” what is already wrong because pigs have no sweat glands. Therefore, they can not perspire to cool off and have to wallow in the mud.Sweating is linked to uncertainty, lack of self-esteem and anxiety. Sweaty palms and a tendency to overly excessive sweating convey the impression of uncertainty and nervousness. With negative social consequences: A damp handshake at the interview, for example, can reduce the job opportunities, according to personnel experts

Tips from excessive perspiration

Sweating can overshadow the human togetherness and working life negatively. For those affected it is usually very important to get the perspiration under control and avoid the smell of sweat. Stress reduction and mental relaxation exercises can effectively contribute. Avoided in the workplace should be very careful, hectic, both good,: Dates should be planned with enough spare time to avoid stress on arrival and during interviews and meetings to be well prepared. Other helpful tips include, for example washing hands briefly before shaking hands with a mild soap and caution in the choice of clothing (not dress too warm!).