Testosterone levels peak for males during puberty and decline with age in all genders. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm count.

Americans may wonder whether there's a good reason to take Social Security at 65, when the full retirement age for most Americans is now 66 or 67, or somewhere between. The full retirement age is when ...

Trying to put off aging forever? It’s a popular goal: The anti-aging market, valued at $40 billion, is estimated to hit $60 billion by 2032. To stave off old age, people slather on wrinkle cream, pop ...