Although there are several theories about what causes acne, government activity mostly believe that acne is a by-product of hormonal changes in the eubstance during puberty- that period of life when a child develops the secondary sexual practice characteristics (such as facial and body hair, deepened voice, and increased vigour agglomerate in boys and breast ontogenesis and breast development and rate of flow in girls). At this time, production of hormones (particularly the mannish hormone testosterone) increases and stimulates fat glands in...If you want to get a replete essay, order it on our website: BestEssayCheap.com
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