Andreas Fhager, a biomedical engineer at the Chalmers University of Technology in Sweden, adjusts the Strokefinder device on a test subject's head. Gunilla Brocker hide caption

itoggle caption Gunilla Brocker

Exercise helps lower stroke risk, but birth control pills and pregnancy can be problematic for younger women. iStockphoto hide caption

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Some people with only slightly elevated blood pressure might be able to relax a bit, if they're doctors go along new treatment guidelines. iStockphoto hide caption

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Not covered by Obamacare, but still sweet. Cristian Baitg/iStockphoto hide caption

itoggle caption Cristian Baitg/iStockphoto

Though some people might need more of specific vitamins, multivitamins don't help most people, studies say. iStockphoto hide caption

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