The benefits of regular outdoor exercise in areas with air pollution outweigh the risks, a new, long-term study claims. “Habitual exercise reduces the risk of death regardless of exposure to air pollution, and air pollution generally increases the risk of death regardless of habitual exercise,” said researcher Dr. Xiang Qian Lao, from the Jockey Club…  read on >  read on >

Masks are making an unwanted comeback in many parts of the United States, after new data showing that fully vaccinated people with “breakthrough” coronavirus infections carry enough virus in their bodies to pose a potential risk to the unvaccinated. But these breakthrough infections — which have become slightly more common with the highly transmissible Delta…  read on >  read on >

The U.S. Food and Drug Administration on Thursday authorized a third “booster” shot of coronavirus vaccines for people with weakened immune systems, as the highly contagious Delta variant continues to surge across the country. Expanding the emergency use of the Pfizer and Moderna vaccines should help protect those patients who are considered most vulnerable to…  read on >  read on >

A coronavirus outbreak on a Carnival Cruise Line ship that sailed from Galveston, Texas, to Belize is one of the largest reported on a vessel sailing from the United States since cruises relaunched this summer. The 27 cases on the Carnival Vista reported by the Belize Tourism Board include 26 crew and one guest. All…  read on >  read on >

Young Americans from low-income homes are more likely than those whose families are better off to be unhappy with the way they look and to have an eating disorder, a new study finds. University of Minnesota researchers examined 2010-18 data from Project EAT, a long-running study tracking the general health and well-being of teens as…  read on >  read on >

Widowers have a higher risk for advanced prostate cancer than men who are part of a couple, Canadian researchers say. The new findings are from an analysis of 12 studies comparing 14,000 men newly diagnosed with prostate cancer and 12,000 healthy men. The study — recently published in the European Journal of Epidemiology — suggests…  read on >  read on >