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    World Health News

    Just One Drink a Day May Increase Risk of Atrial Fibrillation

    Even one alcoholic drink a day may increase the risk for atrial fibrillation.Atrial fibrillation is an intermittently irregular and rapid heart rate that can...

    Hypertension During Pregnancy Tied to Later Cognitive Decline

    Women who develop gestational hypertension — high blood pressure during pregnancy — may have reduced cognitive abilities later in life, a recent report suggests.The...

    The Strange Voyeurism of Watching Someone Else Get Vaccinated

    On Dec. 8, an 81-year-old man in Britain named William Shakespeare, who had been hospitalized following a stroke, became one of the first people...

    The Benefits of Moderate Exercise

    The other men began a typical moderate-exercise program, riding bikes at the lab five times a week at a pace they could comfortably sustain...

    Exit Interview: C.D.C. Head Redfield Reflects on His Time on the Job

    What was your greatest disappointment?My greatest disappointment was the lack of consistency of public health messaging and the inconsistency of civic leaders to reinforce...

    Could a Small Test Screen People for Covid-19?

    Translating theory into practice, however, will come with many challenges. Smell tests that can reliably identify people who have the coronavirus, while excluding people...

    What You Can Do to Avoid the New Coronavirus Variant Right Now

    Are there additional ways to reduce my risk?Getting the vaccine is the ultimate way to reduce risk. But until then, take a look at...

    The SAT is Dropping its Essay Section, Subject Matter Tests During Pandemic

    The College Board announced on Tuesday that it would drop the optional essay section from the SAT college entrance examination, which it administers, and...

    The Best Shoes for Knee Arthritis

    Some experts recommend flat, flexible shoes for people with knee osteoarthritis, whereas others say stable, supportive shoes are better. Now a randomized trial has...

    Why Medical Tourism Is Drawing Patients, Even in a Pandemic

    “Our market has always been what I call the ‘working poor’ and they just keep getting poorer,” said Josef Woodman, the chief executive of...

    Inside the B.1.1.7 Coronavirus Variant

    At the heart of each coronavirus is its genome, a twisted strand of nearly 30,000 “letters”...

    It’s Not Your Parents’ Hip Replacement Surgery

    Enter the robot. The robotic equipment’s software uses the information generated by the scan to create a personalized preoperative plan for the surgery. With...

    Egypt Denied an Oxygen Failure Killed Covid Patients. We Found That It Did.

    EL HUSSEINEYA, Egypt — A cry pierced the night from the balcony of an Egyptian hospital. A nurse was screaming that the patients in...

    Twins with Covid Help Scientists Untangle the Disease’s Genetic Roots

    What Ms. Burkett and Ms. Miller experienced wasn’t the norm. Many of the conditions that can raise a person’s risk for severe Covid —...

    Finding a Foothold for Nordic Skiing in Rural Alaska

    It was minus 40 degrees Fahrenheit, and a lot of the children were wearing jeans. They forgot to bring snow pants again. But they...

    Children’s Screen Time Has Soared in the Pandemic, Alarming Parents and Researchers

    Over all, children’s screen time had doubled by May as compared with the same period in the year prior, according to Qustodio, a company...