The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...

The New World screwworm fly's larvae feed on live flesh, threatening livestock health and causing economic losses. US and ...

Your metabolism might slow down, hormones might start acting funny, and you may not bounce back from workouts the way you did at 25. But with the right nutrition, especially high-protein foods, your ...