Add Yahoo as a preferred source to see more of our stories on Google. You (probably) know how old you are. But do you know the functional age of your heart? That number isn't quite as simple as ...

Add Yahoo as a preferred source to see more of our stories on Google. Measuring cholesterol levels has always been the gold standard for figuring out who is at highest risk for heart disease. Until ...

Many of us will know that a very high resting heart rate is a cause for concern, increasing the risk of stroke, heart attack ...

As part of the extensive Health eHeart Study, University of California, San Francisco researchers found smartphone camera-based heart rate measurements often employed by apps to strongly correlate ...

Blood tests are an important tool for diagnosing heart failure. Doctors can also use blood tests to monitor treatment progress and check for potential complications. Doctors may order blood tests for ...

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