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How Police Killings Lead To Poor Mental Health In The Black Community

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Dr. Vinay Prasad is 35 and an assistant professor of medicine at Oregon Health and Science University in Portland, where he researches health policy, the high cost of drugs and evidence-based medicine. He has more than 21,000 followers on Twitter. Marvin Joseph/The Washington Post via Getty Images hide caption

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Marvin Joseph/The Washington Post via Getty Images

Tweeting Oncologist Draws Ire And Admiration For Calling Out Hype

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A Miami-Dade County mosquito control worker sprays around a home in August 2016 in the Wynwood area of Miami. A University of Florida study recently identified the first known human case of the mosquito-borne Keystone virus. Alan Diaz/AP hide caption

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Alan Diaz/AP

The northern white-cheeked gibbon is a critically endangered ape native to China, Vietnam and Laos. Scientists have discovered a new species of gibbon, now extinct, that lived in China as recently as 2,200 years ago. Joachim S. Müller/Flickr hide caption

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Joachim S. Müller/Flickr

Several circular herpes virus particles are seen near a cell membrane. Roseola herpes virus causes a childhood illness marked by skin rashes and now has been found in brains with Alzheimer's disease. NCI/Science Source hide caption

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NCI/Science Source

Researchers Find Herpes Viruses In Brains Marked By Alzheimer's Disease

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In these two two-cell mouse embryos, the surface of the embryos is outlined in orange, the DNA in the nucleus is indicated in blue and the activity of the LINE-1 gene is indicated via bright red spots. Ramalho-Santos lab/UCSF hide caption

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Ramalho-Santos lab/UCSF

Some DNA Dismissed As 'Junk' Is Crucial To Embryo Development

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Koko, the gorilla who became an ambassador to the human world through her ability to communicate, has died. She's seen here at age 4, telling psychologist Francine "Penny" Patterson (left) that she is hungry. In the center is June Monroe, an interpreter for the deaf at St. Luke's Church, who helped teach Koko. Bettmann Archive/Getty Images hide caption

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Bettmann Archive/Getty Images

The Telstar 18 is the official match ball for the 2018 World Cup in Russia. Mladen Antonov/AFP/Getty Images hide caption

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Mladen Antonov/AFP/Getty Images

The Science Behind The World Cup Ball

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A study finds light drinkers have the lowest combined risk of getting cancer and dying prematurely — lower than nondrinkers. Alcohol is estimated to be the third-largest contributor to overall cancer deaths. Westend61/Getty Images hide caption

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Westend61/Getty Images

Drinking Alcohol Can Raise Cancer Risk. How Much Is Too Much?

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Modern tools of biology could allow someone to recreate a dangerous virus, such as smallpox, from scratch. Dr. Hans Gelderblom/Visuals Unlimited/Getty Images hide caption

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Dr. Hans Gelderblom/Visuals Unlimited/Getty Images

Report For Defense Department Ranks Top Threats From 'Synthetic Biology'

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Kelly Zimmerman holds her son Jaxton Wright at a parenting session at the Children's Health Center in Reading, Pa. The free program provides resources and social support to new parents in recovery from addiction, or who are otherwise vulnerable. Natalie Piserchio for NPR hide caption

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Natalie Piserchio for NPR

Beyond Opioids: How A Family Came Together To Stay Together

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Rice within the octagon in this field is part of an experiment to grow rice under different levels of carbon dioxide. Toshihiro Hasegawa, National Agriculture and Food Research Organization of Japan hide caption

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Toshihiro Hasegawa, National Agriculture and Food Research Organization of Japan

As Carbon Dioxide Levels Rise, Major Crops Are Losing Nutrients

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Zillow Data Used To Project Impact Of Sea Level Rise On Real Estate

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A serving of salmon contains about 600 IUs of vitamin D, researchers say, and a cup of fortified milk around 100. Cereals and juices are sometimes fortified, too. Check the labels, researchers say, and aim for 600 IUs daily, or 800 if you're older than 70. Dorling Kindersley/Getty Images/Dorling Kindersley hide caption

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Dorling Kindersley/Getty Images/Dorling Kindersley

Does Vitamin D Really Protect Against Colorectal Cancer?

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Helping those who are suffering know they are not alone is one step toward suicide prevention, researchers say. Veronica Grech/Getty Images hide caption

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Veronica Grech/Getty Images

U.S. Suicide Rates Are Rising Faster Among Women Than Men

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Flaws in a study of the Mediterranean diet led to a softening of its conclusions about health benefits. But don't switch to a diet of cotton candy just yet. Westend61/Getty Images hide caption

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Westend61/Getty Images

Americans are increasingly taking multiple drugs. And depression is a potential side effect of many of them. Glasshouse Images/Getty Images hide caption

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Glasshouse Images/Getty Images

1 In 3 Adults In The U.S. Takes Medications Linked To Depression

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New Research On Sound Could Make Tornado Warnings More Accurate

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Angela Hsieh/NPR

Clicker Training For Dogs Is Adapted To Help Surgeons Learn Quickly

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