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Nearly one in three antibiotic prescriptions doled out in the United States is "inappropriate," said a study Tuesday that called for improved stewardship of this important medicine. Experts say overuse of antibiotics leads to more antibiotic-resistant infections -- affecting two million people and killing 23,000 each year in the United States alone, according to the report in the Journal of the American Medical Association (JAMA). The study found that in the United States in 2011, 262 million outpatient antibiotic prescriptions were dispensed -- almost one for each of the nation's 300 million people.
WASHINGTON (AP) — Seawater — increasingly acidic due to global warming — is eating away the limestone framework for coral reef in the upper Florida Keys, according to a new study. It's something that scientists had expected, but not so soon.
STUTTGART, Germany (AP) — U.S. Defense Secretary Ash Carter blasted what the U.S. and its allies see as Russian aggression in Europe, saying Tuesday that Moscow is "going backward in time" with warlike actions that compel an American military buildup on NATO's eastern flank.