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Saying she was alarmed by a new superbug outbreak, a U.S. senator on Tuesday asked Olympus for data showing its redesigned medical scope was safe. In a letter, Sen. Patty Murray (D-Wash.) asked the Japanese device manufacturer for more information about a recent outbreak that sickened five patients in Europe. (Peterson, 4/4)

And when a woman’s heart starts to feel a tad different with every beat (even occasionally) or they can’t get rid of that annoying little tingle in their arm, too often a woman will find an excuse not to see a doctor about it. What they seldom consider is that it might be the beginning of heart disease. And for millions of women, that’s exactly what it is...In fact, the American Heart Association states that one in three adult women are living with some form of cardiovascular disease and may or may not realize it. The disease remains the number one killer of women in the U.S. (Despres, 4/4)

The U.S. military is trying to figure out whether certain heavy weapons are putting U.S. troops in danger. The concern centers on the possibility of brain injuries from shoulder-fired weapons like the Carl Gustaf, a recoilless rifle that resembles a bazooka and is powerful enough to blow up a tank. (Hamilton, 4/5)