All Sauce from Weekly Sauce:

The degenerative joint disease osteoarthritis affects 15% of the global population over age 30, so by 2050 that could be nearly 1 billion people, researchers say. Living longer and obesity are both major contributors. “With the key drivers of people living longer and a growing world population, we need to anticipate stress on health systems…  read on >  read on >

Too much screen time can lead to developmental delays in babies, researchers say. When 1-year-olds viewed screens for more than four hours a day, they had delays in communication and problem-solving skills when assessed at ages 2 and 4, according to a new study published Aug. 21 in JAMA Pediatrics. They also had delays in…  read on >  read on >

People can help reduce their odds of developing atrial fibrillation or stroke through one piece of standard medical advice: stay fit. According to a new study in 15,000 people, physical fitness was found to have a lower likelihood of these conditions. The findings will be presented this weekend at the European Society of Cardiology Congress…  read on >  read on >

British researchers may have found a way to diagnose Parkinson’s disease several years sooner. Researchers at University College London and Moorfields Eye Hospital say that eye scans may be able to detect signs of Parkinson’s up to seven years before diagnosis. “I continue to be amazed by what we can discover through eye scans. While…  read on >  read on >

COVID-19 patients face a markedly greater risk for developing persistently high blood pressure, even if they never had blood pressure concerns before, new research indicates. The rise in risk seen among otherwise heart-healthy patients also appeared to be notably greater among COVID patients than in influenza patients. The findings, said senior study author Tim Duong,…  read on >  read on >

An estimated 26 million Americans 50 and older live alone, and researchers estimate that more than 4 million have dementia or cognitive impairment. That means a large number of older Americans are at risk for medication mix-ups, unsafe driving, wandering and missing important medical appointments. And, a new study warns, the U.S. health care system…  read on >  read on >