Obese patients who lost a moderate amount of weight by eating less and exercising more improved their cardiovascular health, says a study at Washington University School of Medicine in St. Louis.  Results of this two-year study, published in the Dec. 15, 2009, issue of the Journal of the American College of Cardiology, showed that weight loss led to improvement in four key measures of heart and vascular health.

The improvements seen in the study participants included decreased thickness of heart muscle, improved pumping and relaxation functions of the heart and decreased thickness of the carotid artery walls.

Researchers studied 60 moderately obese individuals at regular intervals, and 46 people (78 percent) completed the entire two-year follow-up period.

Participants ranged in age from 22 to 64 and had BMIs (body mass indexes) of between 30 and 44.

As a result of reduced caloric intake, on average they lost weight for about six months, reaching a maximum loss of nine percent body weight or 22 pounds.

Source: Science Daily

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