Cardiology

How cholesterol affects your heart

Most people know that high cholesterol is bad for their heart, but few people really understand what cholesterol is. Dr. Claire Haga, a Mayo Clinic family physician, explains why it's so closely related to heart problems. ...

Health

Food health star ratings can improve diets, study finds

More evidence has emerged that food labelling can encourage manufacturers to improve product nutrition, but University of Melbourne experts say the star labelling system must be compulsory to make a big difference.

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