When astronauts travel to space, the experience depletes their red blood cells and bone, according to a new study. Fortunately, it appears their bodies can eventually replenish them after they’ve returned to Earth, thanks to fat stored in the bone marrow. “We found that astronauts had significantly less fat in their bone marrow about a…  read on >  read on >

One source of lead exposure in children may surprise you. It’s secondhand smoke, according to a Texas A&M University study. “Further research will likely paint a clearer picture of this exposure route, especially in younger children, but the findings here can inform current efforts to eliminate low-level lead exposure in children,” said co-author Dr. Genny…  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 >