What Do Colds Have to Do With Obesity?

Not much. It's silly season again with all the reports that a viral infection may make some fat cells fatter. Some journalists--or their editors--apparently couldn't resist headlines that suggest that you can "catch obesity." No doubt visions of anti-fat vaccines are dancing in their heads.Here's a clunker, by Roger Highfield, Science Editor of the U.K.'s Telegraph: "Being Fat May Be Catching, A