Just One Workout Can Double Your Flu-Fighting Chances

Considering how terrible this year's flu is, odds are good that you've already become a languid pile of festering contagions. And in case you've managed to evade the virus thus far, get thee a flu shot ASAP, obviously—but then go work out. It may just double your chances of staying plague-free. » 1/16/13 4:08pm 1/16/13 4:08pm