A medical condition in which a person cannot sweat or has severely reduced sweating ability, preventing the body from cooling itself properly.
From Greek 'an-' (without) + 'hidros' (sweat) + '-osis' (condition). It describes the pathological absence or reduction of sweat production.
Anidrosis is extremely dangerous in hot climates because your body can't cool itself—heat stroke becomes a serious risk, which is why doctors monitor this condition closely in patients with certain nerve disorders!
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