Antibiotics and Obesity

I've got a new post up at Food Matters about a surprising link between receiving antibiotics early in life and risk of obesity. It's based on a lecture I saw by Martin Blaser at the ASM annual meeting (very similar talk available here). Short version: antibiotics make you fat. I mean, sort of, but the correlative evidence is striking, and Blaser's lab has done some really elegant work in mice to demonstrate a plausible causal link. 

As if we needed another reason to care about antibiotic stewardship...