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)
For the medical journal, see Menopause (journal). Menopause, also known as the climacteric, is the time in most women's lives when menstrual periods stop permanently, and they are no longer able to bear children. Menopause typically occurs between 49 and 52 years of age.
Testosterone has antidepressant effects in men. On average, men tend to naturally experience lower levels of testosterone by the time they reach age 50. By age 60 it is estimated that 1 in 5 men have problems with their testosterone.