MATTERS OF THE HEART

A GATHERING OF CARDIOVASCULAR EXPERTS YIELDS NEW AND SURPRISING INFORMATION ABOUT THE BODY'S MOST IMPORTANT MUSCLE

The heart may be fickle, but the science of keeping it healthy can be even more so. Every year experts come up with new insights into how to keep the cardiac system ticking. Sometimes the eurekas are justified, sometimes not. The annual meeting of the American Heart Association in Florida last week was so full of news it was hard to keep the breakthroughs straight. Here are the highlights:

WHEN GOOD CHOLESTEROL ISN'T

The "good cholesterol" you hope will turn up in your blood test has that name for a reason. More properly known as high-density lipoprotein (HDL), it can prevent...

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