Walk a Little, Live a Lot (Longer)
What if there was something simple you could do every day that would burn calories, be good for your heart, and help you stay young. You’d do it, right? Well, that’s why researchers and doctors are so gung ho about walking, especially in light of new research that credits it for everything from cutting breast-cancer risks to helping you sleep.

Can Vitamin C Fight Off a Cold?
The recent review of research that pooh-poohed vitamin C for colds isn’t the last word. Some researchers argue that the dosage used in many of the studies reviewed by the Cochrane Collaboration was too low (500 milligrams), and that because you lose a lot of C when you urinate, you need repeated dosing to knock out a cold.