Glioblastomas are the most common malignant brain tumor. About 12,000 people in the U.S. are diagnosed with the cancer every year. Sherbrooke Connectivity Imaging Lab/Science Source hide caption

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Sherbrooke Connectivity Imaging Lab/Science Source

John McCain Was Diagnosed With A Glioblastoma, Among The Deadliest Of Cancers

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People who think they're more slothlike than peers may change their behavior to actually become less active. Oivind Hovland/Getty Images/Ikon Images hide caption

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Oivind Hovland/Getty Images/Ikon Images

The morphine-like pain killer Oxycontin is just one of a number of opioids fueling a substance use crisis in the U.S. federal health officials say. And successful treatment for the substance use disorder can be costly. Leonard Lessin/Getty Images/Science Source hide caption

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Leonard Lessin/Getty Images/Science Source
Alex Brandon/AP

Uncertainty Over Obamacare Leaves Next Year's Rates In Limbo

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Tymia McCullough is a poised, pageant-winning 11-year-old from South Carolina. She also happens to have sickle cell anemia and relies on Medicaid to pay for medical care. Liam James Doyle/NPR hide caption

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Liam James Doyle/NPR

Her Own Medical Future At Stake, A Child Storms Capitol Hill

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Researchers find that dementia patients who engage in activities such as gathering photographs and talking about family see improvements in their quality of life and are less agitated. Owen Franken/Getty Images hide caption

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Senate Majority Leader Mitch McConnell lost two attempts to undo the Affordable Care Act within 24 hours. Andrew Harnik/AP hide caption

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Andrew Harnik/AP

The goal was to make sure hospitals didn't send patients home too soon, without a plan for following up or without enough support at home to recover completely. Science Photo Library / Getty Images hide caption

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Lee Cantrell, an associate professor of clinical pharmacology at the University of California, San Diego, with a collection of vintage expired medications. Sandy Huffaker for ProPublica hide caption

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Sandy Huffaker for ProPublica

That Drug Expiration Date May Be More Myth Than Fact

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Sen. John McCain, R-Ariz., has been critical of how the GOP health overhaul bill would affect people in his state. Anadolu Agency/Getty Images hide caption

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Anadolu Agency/Getty Images

Neurosurgeon: McCain's Recovery From Brain Surgery Might Take Weeks

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A man walks past a building on the Google campus in Mountain View, Calif. Google search results about health can be influential, but sometimes they can be unreliable or wrong. Jeff Chiu/AP hide caption

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Jeff Chiu/AP

Seeking Online Medical Advice? Google's Top Results Aren't Always On Target

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Two-year-old Robbie Klein has hemophilia, a medical condition that interferes with his blood's ability to clot normally. Without insurance, the daily medications he needs to stay healthy could cost hundreds of thousands of dollars or more each year. Jesse Costa/WBUR hide caption

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Jesse Costa/WBUR

In Massachusetts, Proposed Medicaid Cuts Put Kids' Health Care At Risk

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Clare Kelley practices "forest bathing" along the edge of an urban forest on Roosevelt Island, in the middle of the Potomac River. In contrast to hiking, forest bathing is less directed, melding mindfulness and nature immersion to improve health. Allison Aubrey/NPR hide caption

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Forest Bathing: A Retreat To Nature Can Boost Immunity And Mood

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Jack Gilbert, co-author of the book "Dirt Is Good," says kids should be encouraged to get dirty, play with animals and eat colorful vegetables. Elizabethsalleebauer/Getty Images/RooM RF hide caption

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'Dirt Is Good': Why Kids Need Exposure To Germs

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New research finds that African-Americans who grow up in harsh environments and endure stressful experiences are much more likely to develop Alzheimer's or some other form of dementia. Leland Bobbe/Getty Images hide caption

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Stress And Poverty May Explain High Rates Of Dementia In African-Americans

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A mountain of mine tailings frame a Bisbee park — a legacy of the copper mines that once fueled the local economy. Kirk Siegler/NPR hide caption

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Kirk Siegler/NPR

Doctor Shortage In Rural Arizona Sparks Another Crisis In 'Forgotten America'

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