New findings from the famed Framingham Heart Study address how much exercise you need to stay fit — and how that helps your heart.

The evidence that physical activity staves off heart disease dates back many decades. In fact, that observation was among initial findings published in the late 1960s from the landmark Framingham Heart Study, which began in 1948 and is still going strong. Now, two recent studies involving the descendants of the original Framingham volunteers offer insights about how different types of activity affect your fitness and your heart.

"Exercising more and sitting less helps you live a healthier and longer life," says Dr. Hicham Skali, a cardiologist at Harvard-affiliated Brigham and Women’s Hospital. These new findings provide further detail about why (and how much) exercise is vital for cardiovascular health, he adds.



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