Uncertainty about the future can raise stress levels, psychologists say. Here, students in Charlotte, N.C., hold hands during a Sept. 21 protest after Keith Lamont Scott was shot and killed by a police officer. Nicholas Kamm/AFP/Getty Images hide caption

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Knowing Someone Who Faced Discrimination May Affect Blood Pressure

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Chill Out: Stress Can Override Benefits Of Healthful Eating

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Katherine Streeter for NPR

Wellness Programs Take Aim At Workplace Stress

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Overworked Americans Aren't Taking The Vacation They've Earned

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When dogs show the whites of their eyes in a "half-moon" shape it can indicate stress. Kristina Stas/iStockphoto.com hide caption

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Let's Not Hug It Out With Our Dogs

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Gratitude Is Good For The Soul And Helps The Heart, Too

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Four pregnant women sit in lotus position. Thomas Northcut/Getty Images hide caption

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Say Yes To Down Dog: More Yoga Poses Are Safe During Pregnancy

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The large British study, begun in 1958, tracked the diet, habits and emotional and physical health of thousands of people from childhood through midlife. iStockphoto hide caption

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Childhood Stress May Prime Pump For Chronic Disease Later

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Practicing resuscitation techniques on a mannequin is just the start of trauma training at the University of Virginia Medical Center in Charlottesville. Workers there also learn to take a moment together after every patient's death to silently reflect. Kara Lofton/WMRA hide caption

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Trauma Workers Find Solace In A Pause That Honors Life After A Death

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Dyha Gresham (front, left), her older sister Briceshanay (in back) and Briceshanay's daughter Uri stand in their New Orleans home with the family's cat Sugar-Pepper and dog Selena. After Katrina, Briceshanay says, she relied on theater and the arts to help her "move through terrible and difficult times." Edmund D. Fountain for NPR hide caption

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Edmund D. Fountain for NPR

Katrina's Emotional Legacy Includes Pain, Grief And Resilience

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A brown bear in its natural habitat. Wildlife ecologists in Minnesota found that black bears in their study experienced an increase in heart rate when buzzed by drones. iStockphoto hide caption

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Drones Increase Heart Rates Of Wild Bears. Too Much Stress?

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Students take the annual College Scholastic Ability Test, or college entrance exam, at a high school in Seoul last November. Students face enormous pressure to do well on the test and get into a top university. Airplanes are grounded on the day of the test so they won't disturb the students. Ed Jones/AFP/Getty Images hide caption

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The All-Work, No-Play Culture Of South Korean Education

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Keith Negley for NPR

Best To Not Sweat The Small Stuff, Because It Could Kill You

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