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In humans, sweating is primarily a means of thermoregulation, which is achieved by the water-rich secretion of the eccrine glands. Maximum sweat rates of an adult can be up to 2–4 litres (0.5–1 US gal) per hour or 10–14 litres (2.5–3.5 US gal) per day, but is less in children prior to puberty.
Before puberty, the apocrine sweat glands are inactive; [32] hormonal changes in puberty cause the glands to increase in size and begin functioning. [33] The substance secreted is thicker than eccrine sweat and provides nutrients for bacteria on the skin: the bacteria's decomposition of sweat is what creates the acrid odor. [ 34 ]
During puberty, boys’ bodies grow rapidly, and they need the right fuel to keep up. A healthy diet, regular exercise, good hydration and sleep can make a big difference in their overall energy ...
While sweating is normal, excessive sweating may have deeper underlying causes. But there are ways to manage the condition to make sure that you can still live your best life. This story was ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 5 March 2025. Odor produced by a living animal Body odor or body odour (BO) is present in all animals and its intensity can be influenced by many factors (behavioral patterns, survival strategies). Body odor has a strong genetic basis, but can also be strongly influenced by various factors, such as sex ...
Erections during sleep or when waking up are medically known as nocturnal penile tumescence and colloquially referred to as morning wood. [33] The penis can regularly get erect during sleep and men or males often wake up with an erection. [34] Once a male reaches his teenage years, erections occur much more frequently due to puberty. [35]
An apocrine sweat gland (/ ˈ æ p ə k r ə n,-ˌ k r aɪ n,-ˌ k r iː n /; from Greek apo 'away' and krinein 'to separate') [5] [6] is composed of a coiled secretory portion located at the junction of the dermis and subcutaneous fat, from which a straight portion inserts and secretes into the infundibular portion of the hair follicle. [7]
800-290-4726 more ways to reach us. Sign in. Mail. ... Overactive sebaceous (oil) glands can mix with dead skin cells and sweat, clogging hair follicles. ... Hormonal imbalances, such as during ...