The hearts of people with atrial fibrillation beat too fast, which can cause serious and sometimes life-threatening problems. Weight loss might help some patients correct that heartbeat.

New treatments can offer exciting new options to patients, but their rollout can also be marked by unknowns. A recent study took a close look at a new method for heart surgery as it became available to patients.

It's not always easy for people to control high blood pressure on their own. According to a new science advisory, a collaborative approach may lead to better blood pressure control.

Fitness is important to many people, but new research hints that it might be an issue of life or death to some patients with heart disease.

If someone goes into cardiac arrest, a bystander's knowledge of CPR could save their life. A new study addresses how to improve the chances of recovery.

People's eyes can get dry eye for many different reasons.  According to a new study, one of those reasons may be environmental factors like air quality and atmospheric pressure.

With hockey pucks flying at top speeds, hockey players can experience injuries to the eye in, well...the blink of an eye! However, there may be a way for players to reduce their risk for eye injuries.

Figuring out how to best manage a disease can be difficult, especially if that disease is rare. In a recent article, new approaches for managing one such rare condition, tuberous sclerosis, were laid out.

For patients with arthritis, joint replacement surgery could mean more than relief from pain and stiffness. It might protect against heart disease too.

Earlier this week, Amy Robach, of Good Morning America , announced that doctors discovered she had breast cancer after an on-air mammogram she had as part of Breast Cancer Awareness Month.