Many livestock groups say there's no evidence that antibiotics in livestock feed have caused a human health problem, but researchers beg to differ.
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Researchers have nailed down something scientists, government officials and agribusiness proponents have argued about for years: whether antibiotics in livestock feed give rise to antibiotic-resistant germs that can threaten humans.
One tool doesn't fit all when it comes to surgery.
Pediatric surgeons know this all too well when it's time to operate on a baby. Some infants are born prematurely. Others have congenital defects — some part of their internal anatomy that just didn't develop the way it was supposed to.