Nibbles: More gym classes don’t help kids, Acomplia OK’d in UK, and unlocking the chocolate genome

More PE didn’t make kids skinnier Some people blame the increase in obese kids on the decrease of physical activity mandated by the schools, but a Canadian study showed that more gym classes didn’t make kids thinner. Researchers looked at 13 different trials, ranging in length from six months to three years, to determine if more exercise significantly changed the body mass index of participants. None of the studies, which included nearly 10,000 children in all, showed that the kids who got the