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Heat can flow backwards in a gas so thin its particles never touch

A surprising reversal of our usual understanding of the second law of thermodynamics shows that it may be possible for heat to move in the “wrong” direction, flowing from a cold area to a warm one




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Bacteria could help turn CO2 to rock under extreme conditions

Microbes that rapidly convert CO2 to rock could lock away the greenhouse gas in deep underground storage sites, such as depleted oil and gas reservoirs




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Why supersonic, diamond-spewing volcanoes might be coming back to life

Strange volcanoes called kimberlites bring diamonds up from Earth's depths. Scientists have always struggled to understand why they switched off millions of years ago – but perhaps they didn't




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Oldest tadpole fossil known to science dates back 161 million years

A fossil of a tadpole from Argentina is 161 million years old - and isn't that different from some modern species




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Heat can flow backwards in a gas so thin its particles never touch

A surprising reversal of our usual understanding of the second law of thermodynamics shows that it may be possible for heat to move in the “wrong” direction, flowing from a cold area to a warm one




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Conspiracy theorists are turning their attention back to HPV vaccines

We are living in a vaccine-hesitant moment, with conspiracy theories thriving on social media. We need to push back, says Simon Williams




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Lung Association Urges Back-to-School Asthma Checklist

Title: Lung Association Urges Back-to-School Asthma Checklist
Category: Health News
Created: 8/24/2008 2:00:00 AM
Last Editorial Review: 8/25/2008 12:00:00 AM




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Soothe Back-to-School Anxiety, Teach Kids to Relax

Title: Soothe Back-to-School Anxiety, Teach Kids to Relax
Category: Health News
Created: 8/23/2009 8:10:00 AM
Last Editorial Review: 8/24/2009 12:00:00 AM




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It's Back to Basics to Save a Life

Title: It's Back to Basics to Save a Life
Category: Health News
Created: 8/23/2009 8:10:00 AM
Last Editorial Review: 8/24/2009 12:00:00 AM




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Tobacco Use Kills 6 Million People Annually: Report

Title: Tobacco Use Kills 6 Million People Annually: Report
Category: Health News
Created: 8/25/2009 4:10:00 PM
Last Editorial Review: 8/26/2009 12:00:00 AM




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Even Low Tobacco Smoke Exposure Is Risky

Title: Even Low Tobacco Smoke Exposure Is Risky
Category: Health News
Created: 8/23/2010 10:41:00 AM
Last Editorial Review: 8/23/2010 10:41:13 AM




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Antibiotic Overuse May Be Bad for Body's Good Bacteria

Title: Antibiotic Overuse May Be Bad for Body's Good Bacteria
Category: Health News
Created: 8/25/2011 11:01:00 AM
Last Editorial Review: 8/25/2011 12:00:00 AM




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Overloaded Backpacks Can Injure Kids: Experts

Title: Overloaded Backpacks Can Injure Kids: Experts
Category: Health News
Created: 8/26/2012 10:05:00 AM
Last Editorial Review: 8/27/2012 12:00:00 AM




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U.S. Appeals Court Backs Ruling Against Graphic Images on Cigarette Packs

Title: U.S. Appeals Court Backs Ruling Against Graphic Images on Cigarette Packs
Category: Health News
Created: 8/24/2012 2:05:00 PM
Last Editorial Review: 8/27/2012 12:00:00 AM




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Could Bacteria in Skin Mites Help Cause Rosacea?

Title: Could Bacteria in Skin Mites Help Cause Rosacea?
Category: Health News
Created: 8/30/2012 10:05:00 AM
Last Editorial Review: 8/30/2012 12:00:00 AM




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Doctors' Tips for Backpack Safety

Title: Doctors' Tips for Backpack Safety
Category: Health News
Created: 8/25/2013 9:35:00 AM
Last Editorial Review: 8/26/2013 12:00:00 AM




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How to Help Kids Quell Back-to-School Jitters

Title: How to Help Kids Quell Back-to-School Jitters
Category: Health News
Created: 8/24/2013 9:35:00 AM
Last Editorial Review: 8/26/2013 12:00:00 AM




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Fewer U.S. Kids Buying Tobacco Products: Report

Title: Fewer U.S. Kids Buying Tobacco Products: Report
Category: Health News
Created: 8/27/2013 4:36:00 PM
Last Editorial Review: 8/28/2013 12:00:00 AM




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Mexico Farm Tied to Stomach Bug Back in Operation

Title: Mexico Farm Tied to Stomach Bug Back in Operation
Category: Health News
Created: 8/27/2013 4:36:00 PM
Last Editorial Review: 8/28/2013 12:00:00 AM




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Your Gut Bacteria May Predict Your Obesity Risk

Title: Your Gut Bacteria May Predict Your Obesity Risk
Category: Health News
Created: 8/28/2013 2:35:00 PM
Last Editorial Review: 8/29/2013 12:00:00 AM




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E-Cigarettes Should Be Regulated Like Tobacco: American Heart Association

Title: E-Cigarettes Should Be Regulated Like Tobacco: American Heart Association
Category: Health News
Created: 8/25/2014 9:35:00 AM
Last Editorial Review: 8/25/2014 12:00:00 AM




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Getting Back to School Sleep Schedules

Title: Getting Back to School Sleep Schedules
Category: Health News
Created: 8/23/2014 9:39:00 AM
Last Editorial Review: 8/25/2014 12:00:00 AM




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Back-to-School Tips for Healthy Teeth

Title: Back-to-School Tips for Healthy Teeth
Category: Health News
Created: 8/23/2015 12:00:00 AM
Last Editorial Review: 8/24/2015 12:00:00 AM




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Focus on Healthy Backs for Back-to-School

Title: Focus on Healthy Backs for Back-to-School
Category: Health News
Created: 8/22/2015 12:00:00 AM
Last Editorial Review: 8/24/2015 12:00:00 AM




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Steroid Injections Probably Won't Help Your Lower Back Pain

Title: Steroid Injections Probably Won't Help Your Lower Back Pain
Category: Health News
Created: 8/24/2015 12:00:00 AM
Last Editorial Review: 8/25/2015 12:00:00 AM




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Health Tip: Coping With a Bump on the Back of the Heel

Title: Health Tip: Coping With a Bump on the Back of the Heel
Category: Health News
Created: 8/26/2015 12:00:00 AM
Last Editorial Review: 8/26/2015 12:00:00 AM




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New Moms Can Avoid Back Injury When Caring for Their Babies

Title: New Moms Can Avoid Back Injury When Caring for Their Babies
Category: Health News
Created: 8/25/2015 12:00:00 AM
Last Editorial Review: 8/26/2015 12:00:00 AM




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Health Tip: Early to Bed Before Back to School

Title: Health Tip: Early to Bed Before Back to School
Category: Health News
Created: 8/22/2016 12:00:00 AM
Last Editorial Review: 8/22/2016 12:00:00 AM




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Put Vaccines on Kids' Back-to-School List

Title: Put Vaccines on Kids' Back-to-School List
Category: Health News
Created: 8/19/2016 12:00:00 AM
Last Editorial Review: 8/22/2016 12:00:00 AM




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Think Safety When Picking, Packing School Backpacks

Title: Think Safety When Picking, Packing School Backpacks
Category: Health News
Created: 8/19/2016 12:00:00 AM
Last Editorial Review: 8/22/2016 12:00:00 AM




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Health Tip: Back to School for Kids with Asthma

Title: Health Tip: Back to School for Kids with Asthma
Category: Health News
Created: 8/29/2017 12:00:00 AM
Last Editorial Review: 8/29/2017 12:00:00 AM




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FDA OKs New Antibacterial Drug

Title: FDA OKs New Antibacterial Drug
Category: Health News
Created: 8/31/2017 12:00:00 AM
Last Editorial Review: 8/31/2017 12:00:00 AM




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Put Good Health on Your Child's Back-to-School Checklist

Title: Put Good Health on Your Child's Back-to-School Checklist
Category: Health News
Created: 8/24/2018 12:00:00 AM
Last Editorial Review: 8/27/2018 12:00:00 AM




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Expert Advice for a Safe Trip Back to School

Title: Expert Advice for a Safe Trip Back to School
Category: Health News
Created: 8/27/2018 12:00:00 AM
Last Editorial Review: 8/28/2018 12:00:00 AM




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Health Tip: Buy the Right Backpack for Your Child

Title: Health Tip: Buy the Right Backpack for Your Child
Category: Health News
Created: 8/29/2018 12:00:00 AM
Last Editorial Review: 8/29/2018 12:00:00 AM




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Low Back Pain? These Exercises May Help

Title: Low Back Pain? These Exercises May Help
Category: Health News
Created: 8/30/2018 12:00:00 AM
Last Editorial Review: 8/30/2018 12:00:00 AM




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Monitoring System for Underage Tobacco Sales Falls Short: Study

Title: Monitoring System for Underage Tobacco Sales Falls Short: Study
Category: Health News
Created: 8/29/2018 12:00:00 AM
Last Editorial Review: 8/30/2018 12:00:00 AM




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Backpacks Shouldn't Be a Back-to-School Burden on Health

Title: Backpacks Shouldn't Be a Back-to-School Burden on Health
Category: Health News
Created: 8/24/2019 12:00:00 AM
Last Editorial Review: 8/26/2019 12:00:00 AM




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Climate Change Hiking Danger of Flesh-Eating Bacteria Infections

Title: Climate Change Hiking Danger of Flesh-Eating Bacteria Infections
Category: Health News
Created: 8/23/2019 12:00:00 AM
Last Editorial Review: 8/26/2019 12:00:00 AM




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An Easy Recipe for Healthier Back-to-School Lunches

Title: An Easy Recipe for Healthier Back-to-School Lunches
Category: Health News
Created: 8/28/2019 12:00:00 AM
Last Editorial Review: 8/28/2019 12:00:00 AM




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Alex Trebek Back Hosting 'Jeopardy!' After Completing Chemotherapy

Title: Alex Trebek Back Hosting 'Jeopardy!' After Completing Chemotherapy
Category: Health News
Created: 8/30/2019 12:00:00 AM
Last Editorial Review: 8/30/2019 12:00:00 AM




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Posting All Those Selfies Online Could Backfire, Study Finds

Title: Posting All Those Selfies Online Could Backfire, Study Finds
Category: Health News
Created: 8/29/2019 12:00:00 AM
Last Editorial Review: 8/30/2019 12:00:00 AM




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AHA News: After Three Strokes, He 'Overheard' the Grim Prognosis and Fought Back

Title: AHA News: After Three Strokes, He 'Overheard' the Grim Prognosis and Fought Back
Category: Health News
Created: 8/20/2021 12:00:00 AM
Last Editorial Review: 8/23/2021 12:00:00 AM




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Could Electrode 'Pulses' Cut Back, Leg Pain Without Drugs?

Title: Could Electrode 'Pulses' Cut Back, Leg Pain Without Drugs?
Category: Health News
Created: 8/26/2021 12:00:00 AM
Last Editorial Review: 8/27/2021 12:00:00 AM




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For Back Pain, Earlier Is Better for Physical Therapy

Title: For Back Pain, Earlier Is Better for Physical Therapy
Category: Health News
Created: 8/9/2022 12:00:00 AM
Last Editorial Review: 8/10/2022 12:00:00 AM




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Kids Getting Spinal Surgeries May Cut Back on Opioids

Title: Kids Getting Spinal Surgeries May Cut Back on Opioids
Category: Health News
Created: 8/11/2022 12:00:00 AM
Last Editorial Review: 8/11/2022 12:00:00 AM




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LSD Is Making a Comeback Among Young Americans

Title: LSD Is Making a Comeback Among Young Americans
Category: Health News
Created: 8/23/2022 12:00:00 AM
Last Editorial Review: 8/23/2022 12:00:00 AM




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Will Inflation Cut Back on Your Health Care?

Title: Will Inflation Cut Back on Your Health Care?
Category: Health News
Created: 8/8/2022 12:00:00 AM
Last Editorial Review: 8/8/2022 12:00:00 AM




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SIBO (Small Intestinal Bacterial Overgrowth)

Title: SIBO (Small Intestinal Bacterial Overgrowth)
Category: Diseases and Conditions
Created: 10/28/2005 12:00:00 AM
Last Editorial Review: 8/8/2022 12:00:00 AM




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Potential Drawbacks of Noninvasive Diagnostic Methods for Nonalcoholic Fatty Liver Disease

The rising obesity epidemic is a phenomenon that has gained increasing attention from health providers and health policy makers. This led to recognition of nonalcoholic fatty liver disease (MASLD). The standard for its assessment has been histologic, which is neither practical nor acceptable by patients. Subsequently, a number of noninvasive assessment methods have been developed. However, despite ease of implementation, their confounding variables do hinder their accuracy. Nonetheless, the development of the liver stiffness measurement (LSM) and incorporation of other biological parameters has minimized but not eliminated the need for liver biopsy. Imaging methods are useful in evaluation, estimation, and following the progression of steatosis and fibrosis with particular attention to controlled attenuation parameter (CAP) and MRI–Proton Density Fat Fraction (MRI-PDFF). The choices for the family physician are broad and rely on tests’ availability, cost, and patient acceptance. Great efforts have been undertaken to produce more robust and novel noninvasive markers that indicate fibrinogenesis directly in an implementable and cost-effective way.