http://www.medicalnewstoday.com/releases/318671.php

Although considerable attention is paid to the problem of hot flashes, a quarter of pre-menopausal women in their forties and early fifties experienced a range of moderate to severe physical and psychological symptoms , according to a study published in the open access journal Women's Midlife Health. Addressing these symptoms early is critical to reducing women's risk of women developing chronic disease and disability.