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While HDL cholesterol is considered the “good” kind for heart and brain health, too much or too little of it may up a person’s risk of dementia, new research suggests. “This study is especially informative because of the large number of participants and long follow-up,” noted study author Maria Glymour, of Boston University. She said…  read on >  read on >

America’s kids are safer now than a decade ago when it comes to many types of injury, with two glaring exceptions: drugs and guns. That’s the crux of a new study that looked at injury trends among U.S. children and teenagers between 2011 and 2021. It found that nonfatal injuries from accidents and assaults fell…  read on >  read on >

More than 80% of eligible Americans did not get a COVID-19 booster shot last fall. Now, a new study reveals the reasons for the hesitation. Nearly 40% of survey participants said a prior COVID-19 infection factored into their decision to not get the booster. Another 31.5% were worried about side effects. And an additional 28%…  read on >  read on >

People recovering from wounds or severe burns might one day be treated with fully functional “bioprinted” skin created in a lab, a new study suggests. Researchers say they “printed” skin samples containing all six major human cell types found in skin. The result was multi-layered, full-thickness skin containing all three layers present in normal human…  read on >  read on >

Going vegetarian is trendy and popular, along with being a healthy choice, but a large portion of those who say they want to stick with a plant-based diet don’t. It might come down to your DNA, suggests new research that has uncovered three genes that seem to be strongly linked to vegetarianism. “It seems there…  read on >  read on >

While studies of ADHD and driving usually target teens, a new one focused on seniors found they have a significantly higher risk of car crashes. Older adults with attention-deficit/hyperactivity disorder (ADHD) were also more likely to slam on the brakes and get traffic tickets, the study found. “Little is known about ADHD in seniors,” said…  read on >  read on >