This article was reviewed by Felix Gussone, MD. What Is Testosterone? As the primary male hormone, or androgen, testosterone ...

At 55, 30–40 smooth jumping jacks without stopping—and passing the talk test—signals above-average cardiovascular fitness.

Living near a green space can improve bone density in children. Here's what we know and how to support healthy bones.

Q. Journavx works for me! I rarely need an opioid like Norco (hydrocodone and acetaminophen) or an NSAID like Celebrex when I’m on it. Now my pain specialist says it is limited to three months a year.

Having dense breast tissue is one of the biggest risk factors for breast cancer, and it's something most women have never ...