Andropause: When Guys Get 'The Change'
In 1944, researchers Carl Heller and Gordon Myers identified symptoms of what they termed "male climacteric," another word for menopause; these included loss of libido, depression, inability to concentrate, and sometimes hot flashes.
andropause guy change researcher carl heller gordon myers identify symptom term male climacteric word menopause include loss libido depression inability concentrate hot flash