peak in humans at about age 19 or 20 years in females and around age 20 to 24 years in males. Levels of corticosteroids like cortisol do not change with adrenarche. Biological messengers during the onset of adrenarche are thought to signal in preparation for puberty.

Role in puberty

An initiator of adrenarche has not yet been identified. Researchers have unsuccessfully tried to identify a new pituitary peptide, to be called "adrenal androgen stimulating

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