Origin and Etymology of is. Middle English, from Old English; akin to Old High German ist is (from sÄ«n to be), Latin est (from esse to be), Greek esti (from einai to be)
August 21st, 2013. Andropause is the technical term for the hormone imbalance all men will experience as they age. Commonly called male menopause, andropause typically begins to affect men between the ages of 35 and 40. In some cases, however, the testosterone deficiencies associated with andropause may occur in much younger men.
How Nugenix Works. After the age of 30, most men begin to experience a fairly rapid decline in the amount of testosterone their bodies produce. In fact, starting at 31 men see a decrease of 1 % per year.