Erectile dysfunction may be an early warning sign of cardiovascular troubles.

“It’s a miracle,” says Jack Hofstra, 92, after he got a new heart valve through a minimally invasive procedure.

Study: Having a service dog is associated with less anger, less anxiety and better sleep.

Fecal transplants are used to treat infection with Clostridium difficile, an opportunistic bacteria that can cause death if it gains a foothold in the gut.

Prolonged periods of unease and anxiety are likely to increase the risk of this heart condition.

An optometrist explains how improper use can lead to serious eye problems.

Football coach and pastor Matthew Stone's regimen leads to 150 pounds of lost weight and worries.

Seasonal allergies? Find relief with these tried-and-true tips from an allergist.

Bouts of inflammation can help fight viruses and other foreign invaders—but chronic inflammation is a different story altogether.

Toxins in BBQ fumes known as PAHs may be absorbed through the skin, and could cause lung disease and DNA mutations.

A patient’s girlfriend helped create the screening program that later played a key role in saving his life.

Avoid the (tick) bite this year as their population expands ... your health could depend on it.