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 >

Even if they’re fully vaccinated against COVID-19, certain people may need to take extra precautions to prevent “breakthrough” infections with the highly transmissible Delta variant, experts say. The Delta variant is causing most of the new COVID cases in the United States, and older people and those with immune-compromising conditions may be at greater risk…  read on >  read on >

Air pollution causes you to gasp and wheeze. Smog puts strain on your hearts and inflames your lungs. Could dirty air also be costing you your brain health? A trio of new studies finds that air quality appears linked to a risk of thinking declines and dementia, and bad air might even promote toxic brain…  read on >  read on >

Eight in 10 American adults who haven’t received a COVID-19 shot say they are unlikely to get one, a new survey shows. The results mean “that there will be more preventable cases, more preventable hospitalizations and more preventable deaths,” Dr. Amesh Adalja, an infectious disease specialist at Johns Hopkins University in Baltimore, told the Associated…  read on >  read on >

People of color are consistently less likely to see medical specialists than white patients are, a new U.S. study finds, highlighting yet another disparity in the nation’s health care system. Researchers found that compared with their white counterparts, Black Americans, Hispanic Americans and Asian Americans had significantly fewer visits to doctors of various specialties —…  read on >  read on >

Money may not buy happiness but new research suggests it may at least help Americans live longer. “Our results suggest that building wealth is important for health at the individual level, even after accounting for where one starts out in life,” said Greg Miller, a faculty fellow at Northwestern University’s Institute for Policy Research, in…  read on >  read on >