A Perspective on Male Hormones The Yin-Yang of Testosterone and Estrogen Everyone knows that testosterone is the essence of maleness. It is what makes men feel better, look better, and perform better— both physically and sexually. But many people may be surprised to learn that estrogen

Testosterone It's Not Just for Men Anymore! To most people, testosterone is synonymous with masculinity. Although it is classified as one of the androgens, or "male" hormones, it is vital for both men and women. Both produce and use testosterone, and both men's and women's