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If patients are obese, their physicians should refer them to behavior-based weight loss programs or offer their own, a national panel of experts says. Yet many doctors aren't having the necessary conversations with their patients. Tetra Images/Getty Images hide caption

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Megan Baker (left) of Papa & Barkley Co., a Cannabis company based in Eureka, Calif., shows Shirley Avedon of Laguna Woods different products intended to help with pain relief. Stephanie O'Neill for NPR hide caption

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Stephanie O'Neill for NPR

Ticket To Ride: Pot Sellers Put Seniors On The Canna-Bus

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Skull fractures, concussions and broken bones are common injuries when children not yet able to walk use infant walkers and fall down stairs. Mint Images/Getty Images hide caption

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Daily low-dose aspirin can be of help to older people with an elevated risk for a heart attack. But for healthy older people, the risk outweighs the benefit. Bruno Ehrs/Getty Images hide caption

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Bruno Ehrs/Getty Images

Study: A Daily Baby Aspirin Has No Benefit For Healthy Older People

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After impact, the authentic Specialized Evade helmet on the left held up but the counterfeit on the right crumbled. Specialized says the fakes lack reinforced roll cages — internal skeletons that hold the helmets together even after a crash. Courtesy of Specialized Bicycles hide caption

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Courtesy of Specialized Bicycles

Fake Bike Helmets: Cheap But Dangerous

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Aaron Reid, 20, rests in an exam room in the National Institutes of Health Clinical Center in Bethesda, Md. Rebecca Davis/NPR hide caption

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Update: A Young Man's Experiment With A 'Living Drug' For Leukemia

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A government research project to assess the safety of BPA is beginning to show results. T-pool/STOCK4B/Getty Images hide caption

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T-pool/STOCK4B/Getty Images

Government Study Of BPA Backs Its Safety, But Doesn't Settle Debate

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Health insurers who offer Medicare Advantage plans have permission to soon require patients to try less expensive alternatives to some before receiving pricier drugs. Witthaya Prasongsin/Getty Images hide caption

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Witthaya Prasongsin/Getty Images

Jeff Williams, Apple's chief operating officer, speaks about the new Apple Watch Series 4 at the company's product-launch event in Cupertino, Calif., on Wednesday. The new Watch includes a sensor allowing users to take an electrocardiogram they can share with their doctor. Stephen Lam/Reuters hide caption

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Stephen Lam/Reuters

An unidentified 15-year-old student at a high school in Cambridge, Mass., vaped near campus in April. Steven Senne/AP hide caption

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Steven Senne/AP

FDA Intensifies Crackdown On E-Cigarette Sales To Teenagers

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Manure lagoons on hog farms like this one in eastern North Carolina flooded after Hurricane Floyd swept through in 1999, creating environmental and health concerns for nearby rivers. Farmers are worried that the scenario will repeat after Hurricane Florence hits this week. John Althouse/AFP/Getty Images hide caption

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John Althouse/AFP/Getty Images

Hog Farmers Scramble to Drain Waste Pools Ahead Of Hurricane Florence

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Scientists at Johns Hopkins University are studying barn owls to understand how the brain maintains focus. Meredith Rizzo/NPR hide caption

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Meredith Rizzo/NPR

Scientists Study Barn Owls To Understand Why People With ADHD Struggle To Focus

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Daniel Fishel for NPR

Food Safety Scares Are Up In 2018. Here's Why You Shouldn't Freak Out

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The total bill for Drew Calver's four-day hospital stay at St. David's Medical Center in April 2017 was $164,941. His insurer paid $55,840, leaving Calver responsible for the unpaid balance of $108,951.31. Callie Richmond/KHN hide caption

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Callie Richmond/KHN

Mary Horman (left), a registered nurse for Clackamas County, and Liz Baca, a disease intervention specialist for the county, search for the right address in an Oregon neighborhood. Part of their job is to get information to people who may have a serious, treatable infection, yet not realize it. Kristian Foden-Vencil/OPB hide caption

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Kristian Foden-Vencil/OPB

Discreetly Tracking Down Sex Partners To Stop A Surge In STDs

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Emily Levine on the TED Stage. Ryan Lash/Ryan Lash / TED hide caption

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Ryan Lash/Ryan Lash / TED

Emily Levine: How Do We Make Peace With Death When It's Imminent?

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Caitlin Doughty on the TED stage. Photo Courtesy/TEDMED hide caption

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Photo Courtesy/TEDMED

Caitlin Doughty: What's Wrong With The Way We Bury The Dead?

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Lux Narayan on the TED stage. Ryan Lash/TED/TED hide caption

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Ryan Lash/TED/TED

Lux Narayan: What Do Obituaries Teach Us About Lives Well-Lived?

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