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While efforts to develop Alzheimer’s medications have so far borne little fruit, new research highlights the therapeutic promise of two non-drug tools: light and sound. According to a pair of small new studies, exposing Alzheimer’s patients to an hour a day of carefully modulated light and/or sound appears, over time, to slow down the telltale…  read on >  read on >

COVID-19 vaccine hesitancy among American adults fell by one-third in the first five months of 2021, a new study finds, but distrust of vaccines and the government are still keeping many people from getting vaccinated. Researchers analyzed data gathered from about 1 million Americans a month between January and May as part of an ongoing…  read on >  read on >

Children with autism differ socially and developmentally from their typically developing peers. Now, researchers say there are also differences in their array of healthy gut bacteria or “microbiome.” The findings may lead to earlier treatment for kids with an autism spectrum disorder, suggested the authors of a new small study. The gut microbiome can vary…  read on >  read on >

Watch videos on TikTok and you’re likely to see plenty of positive portrayals of vaping, a new study shows. And that’s a problem, according to researchers, who call for tighter regulation of the platform popular with kids and teens. “Viewing other young people, friends, acquaintances or influencers vaping in fun and entertaining contexts, is likely…  read on >  read on >

Midsummer heat and high humidity aren’t just uncomfortable — they’re a combo that can cause serious illness and even death. “Whenever you walk or do outdoor activity, take a friend with you who can help you if you run into trouble,” Dr. Eleanor Dunham advised. She’s an emergency medicine doctor at Penn State Health Milton…  read on >  read on >

The rapid spread of the highly contagious Delta variant around the world means that the United States will continue with COVID-19 international travel restrictions for now, a White House official said Monday. The Delta variant now accounts for 83% of all U.S. coronavirus cases, according to the U.S. Centers for Disease Control and Prevention. While…  read on >  read on >