RE your first point: I think everyone would agree that antibiotics are a net good, that their use should cause and correlate with declining mortality. But that

RE your first point: I think everyone would agree that antibiotics are a net good, that their use should cause and correlate with declining mortality. But that wouldn't make it any less true that there could be second-order negative effects that are worth understanding and mitigating. Was not aware of that "slightly overweight" finding, good stuff.