It can remedy sexual dysfunction, but there's no solid evidence testosterone supplements will reverse fatigue, memory decline or other rigors of aging.
Researchers suspect high levels of a key hormone in the blood could hint at a person's risk of developing age-related ailments, such as weakness and poor balance.
Hormones can wreak havoc on our sleep, mood and bodies. Here's the 411 on how three women reclaimed their lives.
Patients with higher levels of key hormone may face greater risk of plaque buildup and heart disease complications.
Lower levels of hormone-disrupting chemicals seen in adolescents after trying products without potentially harmful ingredients.