As you age, your pancreas may begin producing less insulin. Usually, though, insulin production continues at the same rate. The adrenal glands are located just above the kidneys. The adrenal cortex is the surface layer. It produces the hormones aldosterone and cortisol.
Aldosterone regulates fluid and electrolyte balance.
Cortisol secretion decreases, but the level stays about the same. The ovaries and testes have 2 functions. With aging, men MAY experience a slightly decreased level of testosterone . Women have decreased levels of estradiol and estrogen after menopause . Please read it.