Living in a noisy neighborhood with less green space negatively affects teens’ sleep, which may lead to poorer memory and thinking skills, according to a pair of studies. In a study on residential environment, researchers found that as noise levels steadily increased, so too did the time needed for teens to fall asleep. They also…  read on >  read on >

Stress levels are on the rise as Americans grapple with the COVID-19 pandemic and bitter political divisions, a new American Psychological Association (APA) survey shows. On a 10-point scale where 1 means little to no stress and 10 means a great amount, adults’ average stress level clocked in at 5.6, according to the Stress in…  read on >  read on >

Heart transplants may be particularly risky for young Black Americans, with new research suggesting they are twice as likely to die after they receive their new organ. To reach that conclusion, researchers analyzed the outcomes of nearly 23,000 adults, aged 18 to 80, who had a heart transplant in the United States between 2005 and…  read on >  read on >

Like influenza, could COVID-19 evolve to wax and wane with the seasons? New research suggests it might. Early in the pandemic, some experts suggested that SARS-CoV-2 — the virus that causes COVID-19 — may behave like many other coronaviruses that circulate more widely in fall and winter. To find out if that could be true,…  read on >  read on >