Antibiotic-resistant bacteria infect at least 2 million Americans every year. At least 23,000 die as a result. The growing threat of antibiotic-resistant disease is one of the biggest health threats facing the globe, yet, unlike some other pressing health threats, it has a clear and well-known cause: overuse of antibiotics. “The use of antibiotics is the single most important factor leading to antibiotic resistance around the world,” the U.S. Centers for Disease Control and Prevention (CDC) notes, explaining “simply using antibiotics creates resistance.” The drugs are one of the most commonly prescribed drugs in human medicine, and up to 50 percent of the time they’re prescribed when not needed or using incorrect dosing or duration, according to the CDC. This is problematic, but it pales in comparison to the use of antibiotics in food animals, which is driving rates of antibiotic resistance sky high.

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