Tuesday, April 12, 2011
Estrogen: Physiological Function and Natural Sources
Estrogen is a hormone comprising a group of compounds which include estrone, estradiol, and estriol, and is the main sex hormone in women, essential to the menstrual cycle. Although estrogen exists in men as well as women, it is found in significantly higher levels in women, especially those of childbearing age. Estrogen also plays a key role in the development of secondary sex characteristics, the physically-defining differences between men and women that don’t relate directly to the reproductive system including enlarged breasts, widened pelvis, and increased amounts of body fat in the buttock, thigh, and hips. Estrogen also contributes to women having less facial hair and smoother skin. Read more . . .