Policymakers who have become increasingly concerned about drivers using cell phones now have a new worry: According to a study of four jurisdictions that have banned the use of hand-held devices while driving, the laws have not reduced accident rates.

The study, conducted by the Highway Loss Data Institute, an insurance industry group, looked at accident rates before and after cell phone bans took effect in New York, the District of Columbia, Connecticut and California.

Wearing cushioned running shoes may have changed the way in which many of us run, new research suggests.

Using slow-motion footage, scientists have discovered that experienced barefoot runners land very differently from runners who wear shoes.

Going back for a second dessert after your holiday meal might not be the best strategy for living a long, cancer-free life say researchers from the University of Alabama at Birmingham. That’s because they’ve shown exactly how restricted calorie diets — specifically in the form of restricted glucose — help human cells live longer.

Having junk in your trunk is healthier than a spare tire around the gut, new research suggests. The extra padding on the backside and thighs could even help to protect against disease.

The results come from a review that summarizes various studies on the health effects of different fat stores in the body, particularly around the hips and thighs.

Students in public schools have math scores that are just as good if not better than those of students in private schools, according to a new national study.

The research focused across several years on 9,791 kindergarten through fifth-grade students.