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Scientists zeroed in on specific neurons in the brains of mice to gain insights into how anxiety is triggered and suppressed. SPL/Science Source hide caption

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SPL/Science Source

Researchers Discover 'Anxiety Cells' In The Brain

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Patients with a history of polyps who need more subsequent tests may have to pick up some of those costs. PeopleImages/Getty Images hide caption

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PeopleImages/Getty Images

A review of the evidence suggests that alerting people — by text, phone call or other method — when they're due or overdue to get a particular vaccination can boost immunization rates. Mladen Zivkovic/Getty Images hide caption

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Mladen Zivkovic/Getty Images

Got Your Flu Shot Yet? Consider This A Reminder

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When Jenna Sauter's youngest son, Axel, tested positive for THC — marijuana's active ingredient — after he was born, she got a home visit from local social services. Sauter says she and her friends don't smoke near their children. Sarah Varney/Kaiser Health News hide caption

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Sarah Varney/Kaiser Health News

Is Smoking Pot While Pregnant Safe For The Baby?

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Philip Morris' iQOS device heats tobacco but stops short of burning it, an approach the company says reduces exposure to tar and other toxic byproducts of burning cigarettes. Philip Morris via AP hide caption

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Philip Morris via AP

FDA Panel Gives Qualified Support To Claims For 'Safer' Smoking Device

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The body's under a lot of stress during a bout of flu, doctors say. Inflammation is up and oxygen levels and blood pressure can drop. These changes can lead to an increased risk of forming blood clots in the vessels that serve the heart. laflor/Getty Images hide caption

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Flu Virus Can Trigger A Heart Attack

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Zhong Zhong (left) and Hua Hua are the first primate clones made by somatic cell nuclear transfer, the same process that created Dolly the sheep in 1996. Qiang Sun and Mu-ming Poo/Chinese Academy of Sciences/Cell Press hide caption

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Qiang Sun and Mu-ming Poo/Chinese Academy of Sciences/Cell Press

Chinese Scientists Clone Monkeys Using Method That Created Dolly The Sheep

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Marbell Castillo held her granddaughter, Maia Powell, as she was being examined by nurse practitioner Molly Lalonde at Burke Pediatrics in Burke, Va., in October 2017. Maia is insured through Virginia's Children's Health Insurance Program. Matt McClain/The Washington Post/Getty Images hide caption

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Matt McClain/The Washington Post/Getty Images

After Months In Limbo For Children's Health Insurance, Huge Relief Over Deal

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Vapor from e-cigarettes contains toxins, although fewer than conventional cigarettes. mauro_grigollo/Getty Images/iStockphoto hide caption

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mauro_grigollo/Getty Images/iStockphoto

E-Cigarettes Likely Encourage Kids To Try Tobacco But May Help Adults Quit

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If a bill in the California Legislature become law, campus health centers at public universities would be required to provide abortion pills. Phil Walter/Getty Images hide caption

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Phil Walter/Getty Images

Opponents of abortion rights rallied outside the U.S. Supreme Court during The March for Life on Friday in Washington, D.C. Ricky Carioti/The Washington Post/Getty Images hide caption

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Ricky Carioti/The Washington Post/Getty Images

As mother and daughter, Carmen and Gisele Grayson thought their DNA ancestry tests would be very similar. Boy were they surprised. Meredith Rizzo/NPR hide caption

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Meredith Rizzo/NPR

My Grandmother Was Italian. Why Aren't My Genes Italian?

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Jenn Liv for NPR

Personalized Diets: Can Your Genes Really Tell You What To Eat?

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