Menopause typically occurs at about age 50, but can begin between ages 41 and 45 (early menopause) or at or around age 40 (premature menopause). Early and premature menopause can occur naturally or be caused by surgical removal of the ovaries.
According to the study, women with premature menopause were 40 percent more likely to do poorly on verbal and visual memory tests. They also had a 35 percent higher risk of decline in psychomotor speed (coordination...
