The benefits of eating fewer calories may go far beyond losing weight.
Three decades of animal studies have found that eating fewer calories can extend lifespan and reduce the risk of chronic diseases and even some cancers. And some, though not all, of these benefits are starting to be seen in men and women taking part in clinical trials.
For instance, in moderately overweight people, restricting calories by 25 percent over two years improved blood pressure and cholesterol counts, and resulted in weight loss. Participants also had a 47 percent drop in levels of C-reactive protein, a marker of inflammation linked to heart disease.
A second study done by researchers from the same institutions focused on
