Keeping track of which dietary supplements are beneficial, harmful, or do nothing at all is a time-consuming endeavor. So what’s the latest information on calcium and vitamin D supplements?

For years, healthcare professionals have known that quitting smoking can improve heart health. It may be that the heart can heal even faster than previously thought.

Being overweight or obese can raise the risk for heart disease and stroke. While losing weight may help, shedding pounds can be hard. There may be other ways for overweight people to lower these risks.

Type 2 diabetes can lead to kidney failure, heart problems and even blindness. Weight loss surgery might help protect against these diabetes-related health issues.

Sudden heart failure is the most common cause of death among young athletes during exercise. There's something schools can do that may reduce these cases.

Atrial fibrillation (A-fib) is one of the most common heart rhythm disorders. Doctors are always looking for better ways to treat this common affliction, and edoxaban may be a promising alternative.

Therapies that are successful in wiping out childhood leukemia can impact the health of survivors years down the road. New research found that heart problems can begin to appear in survivors even during childhood.

When a valve in the heart isn’t working efficiently, surgery may be necessary. There may be an advantage to replacing the valve rather than just repairing it, but not a very big one.

When you drink a cup of coffee in the morning, you're not only waking up your mind, but your small blood vessels too.

Lowering a person’s body temperature after his or her heart stops takes time. Getting a head start in the ambulance may help get things going, but it may not change much else.