This ingredient was in an FDA-approved drug called Meridia, which was removed from the market in October 2010 because it caused heart problems and strokes.

If you lose weight following the Mayo Clinic Diet or any healthy, nutritious diet, you may reduce your risk of developing high blood pressure, heart disease, diabetes and sleep apnea, for example.

Check with your doctor or health care provider before starting any weight-loss diet, especially if you have any health conditions, including diabetes.