Cardiologist John Bisognano, M.D., Ph.D. has patients coming in "carrying bags full of 'natural' products that they hope will help lower their blood pressure." He wanted to know which ones work.

Testing new drugs is no easy task. Animal testing may show successful results that aren't replicated in humans, and having drug trials in individuals could result in undesirable side effects.

There's no better day than today to change your diet and quit smoking. Benefits from these lifestyle changes appear to take effect within months.

Many Americans believe that potatoes are just vessels for high starch and calories. This is not true though – potatoes have real health benefits.

Patients wind up with heart failure when the heart simply can't pump enough blood to the rest of the body. But since there wasn't a main database of all cases, it wasn't known how many patients were surviving. Until now.

Up to 25 percent of all children experience unexplained chronic nausea, a condition that can be debilitating. Now researchers think they might have found out why.

For patients with coronary disease, taking medication to prevent blood clots for up to two years provides no additional benefit in avoiding adverse heart events as compared to taking it for six months.

Treatments are improving for heart attack patients with obstructed blood vessels. Newer technologies are both safer and more effective.

Ever since the lovable Dorothy Hamill skated into a commercial promoting atorvastatin (Lipitor) in the early 2000s, the drug has been known for its remarkable abilities to lower cholesterol.

Getting poor quality sleep may have more impact than yawning and sleepiness at work the next day. It could also increase the risk of developing high blood pressure in older men.