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 levels in men start to spike during puberty and drop on average by one percent every year after age 30. Lack of this key sex hormone in older men can cause health issues, including osteoporosis, loss of muscle mass and coordination (sarcopenia), and psychological symptoms.