September 7, 2013 An experiment to test the value of e-cigarettes as a quitting aid found them as good as the nicotine patch, but there weren't enough people in the study to say they're a good bet for quitting. Public health officials worry that e-cigarettes will encourage tobacco use.
September 6, 2013 Devon Walker nearly died on the football field last fall, when the Tulane biology major went in for a tackle and broke his neck. Now paralyzed from the neck down, Walker is juggling class and rehab, and wants to stay as close as he can to the sport he loves — while coming to terms with life after his injury.
September 6, 2013 There's a mountain of myths and assumptions about what makes us fat. One researcher is interested in understanding where these ideas come from and why scientists continue to recycle them. In a new study, he homes in on the presumption that skipping breakfast has a direct effect on obesity.
September 6, 2013 Ever wondered how Dustin Hoffman's character in Rain Man quickly counted all those toothpicks on the floor? Scientists have found a region of the brain that allows us to estimate quantities at a glance. Unlike Hoffman's Ray, though, most people are accurate up to only about five toothpicks.
September 5, 2013 The USDA has quietly ended a ban on processed chicken imports from China. The products won't require a country-of-origin label — which means there's no way to know whether those chicken nuggets in the freezer aisle came from a country with a spotty food safety reputation.
September 5, 2013 Every week, a group of people with a range of disabilities hits San Francisco Bay. They sail using specially rigged boats; one woman controls her boat using only her chin. Sailing offers a sense of independence for the participants, some of whom are confined to wheelchairs while on land.
September 5, 2013 Mice that got microbe transplants from obese humans gained more weight and accumulated more fat than mice that received microbes from lean humans. The findings, though preliminary, suggest a future path for obesity treatment.
September 5, 2013 The Centers for Disease Control and Prevention estimates that 1.78 million students in the U.S. have tried electronic cigarettes. Their use has risen dramatically in just one year.
September 5, 2013 Tuberculosis is one of the oldest diseases in human history. Signs of the bacteria have even been seen in Egyptian mummies. Now scientists find evidence that TB is much more ancient than we thought. The bacteria may have started infecting people more than 70,000 years ago, long before farming began.