Coronary artery disease can be split into two separate categories: obstructive and non-obstructive, or high-risk and low-risk. New research suggests that this black and white view of the condition may be deadly. 

Diabetes increases risk for heart disease, so a heart attack might be reason to test for diabetes. But it seems a heart attack was not enough for many doctors to take that closer look for diabetes.

According to the so-called "obesity paradox", people who are overweight and have had a stroke have a better chance of surviving than their normal and underweight counterparts. However, some research is starting to debunk this idea.

What would it take to prevent one million heart attacks and strokes before 2017?

Although obesity is linked to heart disease, high blood pressure and diabetes, some heavy people seem immune. Those considered “healthy” obese, however, may face health troubles down the line.

People with advanced life-limiting illnesses typically take an increasing number of medications. At this stage, however, some treatments, such as statins, may be unnecessary.

High blood pressure increases the risk of stroke, heart attack and other health problems. A closer look at blood pressure readings may foretell the specific type of health troubles that lie ahead.

In a recent study, people with diabetes needing the most common type of open heart surgery fared almost as well as those without diabetes while in hospital. Once discharged, however, it was a different story.

Exercise is key to losing weight and keeping that weight off, which is healthy for the heart. But even without weight loss, physical activity may provide quite a bit of benefit to the heart.

Typically, a patient who receives a stent to open a clogged blood vessel will be prescribed an anti-clotting medication. Taking these prescriptions as directed can be a lifesaver.