President Donald Trump, flanked by Vice President Mike Pence and Chief of Staff Reince Priebus, signs his first executive order on health care, on Friday. Evan Vucci/AP hide caption

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Rep. Tom Price, nominee for Secretary of Health and Human Services Secretary, faced questions about his investments in health care companies during a confirmation hearing on Wednesday. Alex Wong/Getty Images hide caption

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Siphiwe Baleka (left) says he gained 15 pounds when he first started driving a truck; food was comfort and exercise was tough to come by. Trucking, he says, is "the most unhealthy occupation in America." Alex Smith hide caption

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Alex Smith

Athlete-Turned-Trucker Works To Improve Truckers' Health

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Research with living systems is never simple, scientists say, so there are many possible sources of variation in any experiment, ranging from the animals and cells to the details of lab technique. Tom Werner/Getty Images hide caption

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What Does It Mean When Cancer Findings Can't Be Reproduced?

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Secretary of Health and Human Services nominee Rep. Tom Price, R-Ga., (right) and Sen. Johnny Isakson, R-Ga., get settled before the start of Price's confirmation hearing Wednesday before the Senate Health, Education, Labor and Pensions Committee. Bill Clark/CQ-Roll Call,Inc. hide caption

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Migraine headaches are one example of a chronic illness that typically doesn't respond to quick fixes. Westend61/Getty Images hide caption

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For Many People, Medical Care Works Best When It's Incremental

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Alex Reynolds/NPR

When The Brain Scrambles Names, It's Because You Love Them

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The highly rated variety of medical marijuana known as "Blue Dream" was displayed among other strains at a cannabis farmers market in Los Angeles in 2014. Frederic J. Brown/AFP/Getty Images hide caption

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Marijuana's Health Effects? Top Scientists Weigh In

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A mouse with predatory brain circuits switched on is much more likely to attack and kill prey like this cricket. Courtesy of Ivan de Araujo/Cell Press hide caption

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Courtesy of Ivan de Araujo/Cell Press

Flipping A Switch In The Brain Turns Lab Rodents Into Killer Mice

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The killer whale J2, better known as "Granny," pokes her head out of the water in the Salish Sea near the San Juan Islands of Washington in July 2016. Granny, who was thought to be about 105 years old at the time, was presumed to have died later that year. Mark Malleson/Center for Whale Research/AP hide caption

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Mark Malleson/Center for Whale Research/AP

Menopause Mystery: Why Do Female Killer Whales Experience The Change Of Life?

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Mai Dang, who owns Fashion Nails in Berkeley, Calif., does a client's nails. The ventilator hose poised over her shoulder helps keeps noxious fumes at bay. Jenny Gold/Kaiser Health News hide caption

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California Nail Salons Start To Invest In Worker Safety

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Maria Fabrizio for NPR

Electronic Health Records May Help Customize Medical Treatments

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Researchers from the Max Planck Institute excavate the East Gallery of Denisova Cave in Siberia in August 2010. With ancient bone fragments so hard to come by, being able to successfully filter dirt for the DNA of extinct human ancestors can open new doors, research-wise. Bence Viola/Max Planck Institute for Evolutionary Anthropology hide caption

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Bence Viola/Max Planck Institute for Evolutionary Anthropology

Dust To Dust: Scientists Find DNA Of Human Ancestors In Cave Floor Dirt

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The back of your throat relaxes when you sleep, and that can cause the airway to vibrate — in a thundering snore. Getty Images hide caption

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Do Anti-Snoring Gadgets Really Work?

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Having volunteers who are learning German answer questions about grammar and semantics of the language while inside an MRI machine might show particular patterns in brain changes, researchers say. They hope their study could offer clues to how the brain best learns a second language. selimaksan/Getty Images hide caption

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Learning German In The Name Of Science And Cross-Cultural Collaboration

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President Obama signs the Affordable Care Act on March 23, 2010. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Obamacare Is First Item On Congress' Chopping Block

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U.S. Marines march in the annual Veterans Day Parade along Fifth Avenue in 2014 in New York City. Spencer Platt/Getty Images hide caption

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For Veterans, Trauma Of War Can Persist In Struggles With Sexual Intimacy

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