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.
Causal Factors. In heterosexual men under age 35, acute epididymitis is most often caused by a sexually transmitted infection with chlamydia or gonorrhea. These bacteria frequently cause serious infections of the genitals and reproductive systems of men and women.