Your Health : Shots - Health News There's never been more information about how to live a healthy life, yet the goal sometimes seems impossible to reach. We sort through the latest news on how to eat better, live longer and stay well.

Unless you replenish fluids, just an hour's hike in the heat or a 30-minute run might be enough to get mildly dehydrated, scientists say. RunPhoto/Getty Images hide caption

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RunPhoto/Getty Images

Off Your Mental Game? You Could Be Mildly Dehydrated

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Wren Vetens was promised a significant discount on the cost of her gender-confirmation surgery if she paid in cash upfront, without using her health insurance. Yet afterward, Vetens received an explanation of benefits saying the hospital had billed her insurer nearly $92,000. Lauren Justice for KHN hide caption

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Lauren Justice for KHN

Bill Of The Month: A Plan For Affordable Gender-Confirmation Surgery Goes Awry

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Describing how pain affects your daily activities may be more effective than the standard pain scale. Lynn Scurfield for NPR hide caption

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Lynn Scurfield for NPR

Words Matter When Talking About Pain With Your Doctor

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More Screen Time For Teens Linked To ADHD Symptoms

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When the heart pushes too hard, as it does when blood pressure is elevated, it can cause damage that can lead to a stroke, says Dr. Walter Koroshetz. John Rensten/Getty Images hide caption

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John Rensten/Getty Images

Worried About Dementia? You Might Want to Check Your Blood Pressure

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Heat Making You Lethargic? Research Shows It Can Slow Your Brain, Too

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Time outdoors leaves you vulnerable to tick bites and the diseases they can transmit. New research seeks to a better picture of the geographic spread of ticks that carry dangerous pathogens. Ascent/PKS Media Inc. via Getty Images hide caption

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Ascent/PKS Media Inc. via Getty Images

When ticks come into contact with clothing sprayed with permethrin, research shows, they quickly become incapacitated and are unable to bite. Pearl Mak/NPR hide caption

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Pearl Mak/NPR

To Repel Ticks, Try Spraying Your Clothes With A Pesticide That Mimics Mums

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Alan Dambach developed tremors that caused his hands to shake uncontrollably. His condition made it difficult to work on his family's tree farm in Fombell, Pa. Ross Mantle for NPR hide caption

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Ross Mantle for NPR

How Highly Focused Sound Waves Steadied A Farmer's Trembling Hand

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Family Caregivers Exchange Tips, Share Stories To Ease Alzheimer's Losses

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Sunscreens containing minerals like zinc oxide and titanium dioxide reflect the sun's rays away from skin and are a good alternative to chemicals that could be harmful to ocean reefs. Photo illustration by Eslah Attar/NPR hide caption

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Photo illustration by Eslah Attar/NPR

Many Common Sunscreens May Harm Coral. Here's What To Use Instead

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Angel Dean Lopez and his son Theo both sustained serious injuries to their hands that required surgery and months of occupational therapy. Heidi de Marco/Kaiser Health News hide caption

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Heidi de Marco/Kaiser Health News

Father's And Son's Hand Injuries Lead To The Mother Of All Occupational Therapy Bills

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A vaccine given during pregnancy protects the baby against whooping cough, but only about 50 percent of pregnant women get it. Nicole Xu for NPR hide caption

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Nicole Xu for NPR

Pregnant Women: Avoid Soft Cheeses, But Do Get These Shots

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Stephanie and Natalie enrolled their older son in sessions at a Brain Balance Achievement Center in the hope that it would help him make friends. Hokyoung Kim for NPR hide caption

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Hokyoung Kim for NPR

'Cutting Edge' Program For Children With Autism And ADHD Rests On Razor-Thin Evidence

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Rita Steyn has a family history of cancer so she ordered a home genetic testing kit to see if she carried certain genetic mutations that increase the risk for the disease. Courtesy of Rita Steyn hide caption

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Courtesy of Rita Steyn

Results Of At-Home Genetic Tests For Health Can Be Hard To Interpret

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Stay-At-Home Dads Still Struggle With Diapers, Drool, Stigma And Isolation

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