How and Why Do You Sweat Excessively?
You should not get surprised on learning that a human being has millions of sweat glands, averaging about three million. These are housed in the lower layer of skin and the primary function of sweat glands is to regulate body temperature thru the process of releasing water secretions that get evaporated soon after being expelled from the body and on getting in touch with atmospheric conditions prevailing outside the body. And, as is too well known cooling is caused by evaporation, the water vapors in the form of sweat on getting evaporated keep the body cool. Apart from water, its main constituent, sweat also has a complex mixture of salts like bicarbonates of sodium and potassium, besides urea and calcium along with traces of amino acids.
Sweat glands are categorized into two, namely eccrine and apocrine. Both are controlled by human nervous system, which also controls other involuntary body movements including heartbeat and breathing etc.
But, quite often we come across people who seem to be sweating excessively. Surely, you have seen somebody sweating to the extent of having a wet collar, with sweat almost dripping down the scalp and face. It