Yo-Yo Dieting May Pose Serious Risks For Heart Patients

People with heart disease should keep their weight down, but it can be hard to lose weight and keep it off. Now a study shows big fluctuations may increase the risk of heart attack and stroke.
Source: John Holcroft/Ikon ImagesGetty Images

So-called 'yo-yo dieting' — where people lose weight and gain it back again – doubles the risk of a heart attack, stroke or death in people who've already got significant heart disease.

That's the conclusion of an international study published recently in the New England Journal of Medicine.

Researchers reviewed weight data gathered over several years from 9,509 people with significant heart disease

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