Up to 9% of American teens say they’ve engaged in what’s known as “digital self-harm” — anonymously posting negative comments about themselves on social media. As is the case with acts of physical self-harm such as cutting, this “virtual” self-harm is associated with a higher risk for thinking about or attempting suicide, according to a…  read on >  read on >

Many teenagers have a hard time discerning between accurate health messages and “fake news,” a new study finds. Presented with a choice between fake and true health messages, about two in five teenagers considered both messages equally trustworthy, researchers found. Further, about one in 10 actually considered the fake message more trustworthy than the accurate…  read on >  read on >

Breathing in fumes from diesel exhaust may be more damaging to women than to men, a new, small Canadian study claims. “We already know that there are sex differences in lung diseases such as asthma and respiratory infections,” said lead researcher Hemshekhar Mahadevappa, from the University of Manitoba in Winnipeg. “Our previous research showed that…  read on >  read on >

Hours after a vaccine advisory panel to the U.S. Centers for Disease Control and Prevention signaled its support for updated COVID boosters targeting Omicron variants, agency director Dr. Rochelle Walensky issued her endorsement as well. Walensky’s sign-off paves the way for the shots from Pfizer and Moderna to get into American arms within days. “The…  read on >  read on >

Skin lightening products can be dangerous for consumers when they contain harmful ingredients that are illegal for over-the-counter sales, the U.S. Food and Drug Administration warned Wednesday. The potentially harmful ingredients are hydroquinone or mercury, the agency said in a news release. People who have used products with hydroquinone have suffered side effects that included…  read on >  read on >

Long-term steroid use can reshape the structure of the brain, causing some parts to shrink and others to grow, a major new study reports. People taking steroids — even inhaled steroids — appear to have less intact white matter structure in their brains compared with those not taking the drugs, brain scans reveal. White matter…  read on >  read on >

Research has linked heart disease to specific autoimmune diseases such as rheumatoid arthritis and lupus. Now, a huge study shows that autoimmune diseases as a group increase your chances of developing heart ills. Autoimmune diseases such as psoriasis, multiple sclerosis, lupus erythematosus and type 1 diabetes occur when the body engages in friendly fire against…  read on >  read on >

Munching handfuls of microwave popcorn might be perfect for movie night, but your snack could be loading your body with potentially harmful “forever chemicals,” experts warn. Many microwave popcorn bags are lined with PFAS (perfluoroalkyls and polyfluoroalkyl substances), and evidence has shown that these chemicals will leach into the snack during popping. Studies have found…  read on >  read on >