one disease well it's not really a disease it's a problem well if you start to get lumps under your armpits and you stop sweating there it means you have clogged sweat glands they can get clogged by...
Sweat glands are usually either merocrine (most common) or apocrine (a specialized merocrine gland usually found around armpits that may be responsible for body odor and potentially human pheromones).