"It's hard to stop a train; it's hard to drop pounds and keep it off. We have to tackle overweight and obesity head on. Let's do more to prevent it from happening rather than dropping it off. If fixing a problem is not easy, then we must prevent it from happening, simple as that." -Dr. Jian Zhang Exercising on vacation...see all the excitement on my face A recent study found that more people who are overweight or obese have stopped trying to lose weight. The study surveyed ad