For some men, low testosterone levels may be tied to a common mental health problem.

Obesity is behind a number of well-known heart health problems. In black men, it may also have a profound effect on cancer risk.

Girls may receive the human papillomavirus (HPV) vaccine to help prevent later cervical cancer. In boys, the vaccine may be important in protecting against another rapidly growing cancer threat.

Mom's advice to eat plenty of veggies still rings true, but men might want to do so with some caution. High-pesticide fruits and vegetables might damage men's sexual health.

Staying active could benefit more than just heart health in men.

In the search for what causes and signals Alzheimer's disease, scientists have often looked to genes. New evidence, however, points to gender.

Even if you're close to having low testosterone but not quite there, you still might encounter some related health problems.

Exercise in your teens is a good thing, but even with exercise, poor ability to cope with stress may affect your heart later in life.

Testosterone treatment — what’s a guy to do? This therapy is under heavy scrutiny because of fears that it may increase heart disease risks. Those fears, however, may be unfounded.

For many men who are infertile, a procedure called intracytoplasmic sperm injection (ICSI) offers a way to have a child. While more couples are using this method, it may not improve upon the more common in vitro fertilization.