the preceding articles, human getting older is the organic and pathological strategies that change from man or woman to character and that are controllable to some degree. Beginning at age forty stages of testosterone start to lessen. The levels of the spinoff prolactin of testosterone of guys will increase, stimulating the manufacturing of the enzyme 5-alpha reductase that reasons the conversion of testosterone to gihydro-testosterones dht for that reason triggering low ranges of testosterone. 2. Dhea deficiency dhea (dehydroepiandrosterone) is a substance made by means of the adrenal gland. It's miles the precursor of the sex steroids estrogen and testosterone. Dhea has some male hormone .