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.
If you're a man over 30, you may be missing out on the benefits of free testosterone. Testosterone is the hormone that makes a man a man. It's the essential hormone for menâs sexual health, strength and muscle growth and even vitality. Around age 30, testosterone levels begin to decline. Some scientists suggest that after age 30, the body decreases testosterone production by between 2-3% a year.