Health

By Jacqueline Howard, CNN (CNN) — For men who use testosterone-replacement therapy because of low levels of the hormone, the treatment does not appear to be associated with any “major” heart risks, according to a new study. The study, published Friday in the New England Journal of Medicine, found that in men with low testosterone

By Meg Tirrell and Carma Hassan (CNN) — The US Food and Drug Administration on Friday said it has recommended that Covid-19 vaccine manufacturers make single-strain booster shots for this fall that would target the currently circulating Omicron subvariant XBB.1.5. “Based on the totality of the evidence, FDA has advised manufacturers who will be updating

By Kristen Rogers, CNN (CNN) — A report about a cancer-causing chemical being detected in some dry shampoos may have led you rethink your hair care routine. But experts say there isn’t a one-size-fits-all answer to how often you should wash your hair — or what you can do to maintain it on off days.

By Jackie Wattles, CNN (CNN) — Fathers matter. A new study — a rare effort that focuses solely on the father’s involvement in an infant’s life — shows a striking link between the support that dads offer and better infant outcomes. The research sought to answer several questions about paternal participation in breastfeeding and the

By Sandee LaMotte, CNN (CNN) — People who prefer to go to bed and get up later — a sleep chronotype known as being a night owl — may die early from bad habits they develop when they stay up late, according to a new study. “The increased risk of mortality associated with being a

By Kristen Rogers, CNN (CNN) — About 1 in 8 Americans over 50 struggle with an unhealthy relationship with highly processed food that goes well beyond the occasional binge or midnight snack, according to a recent poll. Known as food addiction, the condition isn’t limited to older adults — previous food addiction data had primarily

By Jacqueline Howard, CNN (CNN) — The proportion of US adults who have ever been diagnosed with depression ranges greatly depending on where they live. A new report published Thursday by the US Centers for Disease Control and Prevention finds that in 2020, 18.4% of US adults reported having ever been diagnosed with depression in

By Meg Tirrell, CNN (CNN) — A panel of outside advisers to the US Food and Drug Administration voted Thursday that Covid-19 vaccines should be updated for the fall as the pandemic continues to recede from daily life but the coronavirus shows no signs of slowing its evolution. The panel of 21 advisers voted unanimously that the new

By Deidre McPhillips, CNN (CNN) — In 2021, suicide and homicide rates for children and young adults ages 10 to 24 in the US were the highest they’ve been in decades, according to a new report from the US Centers for Disease Control and Prevention. Suicide and homicide were the second and third leading causes of

By Nadia Kounang, CNN (CNN) — In a statement Wednesday, the Concussion in Sport Group, a panel of the world’s leading experts on concussion and head trauma, stopped short of definitively linking the brain disease CTE with repeated head trauma. CTE, a brain disease diagnosed after death through autopsy, has gained notoriety for its prominence

By Jen Christensen, CNN (CNN) — People of color and those in lower income brackets seem to be disproportionately affected by food allergies, compared with people who are White and at higher incomes, a new study finds. It’s an issue that often flies under the radar, according to the authors of the study, which was

By Jen Christensen, CNN (CNN) — Despite increasing acceptance of the LGBTQ+ community, at least in some circles, adults who identify as gay, lesbian or bisexual are more likely than those who identify as straight to have serious thoughts of suicide and mental health conditions including major depressive episodes, and they are more likely to

CNN, WABC, WPVI By Katia Hetter, CNN (CNN) — Smoke from more than 430 active wildfires in Canada spread south last week and led to the worst pollution the New York and Washington regions have ever experienced. More than 75 million people in the eastern US were under air quality alerts as wildfire smoke shrouded major cities.

By Katia Hetter, CNN (CNN) — Smoke from more than 430 active wildfires in Canada spread south last week and led to the worst pollution the New York and Washington regions have ever experienced. More than 75 million people in the eastern US were under air quality alerts as wildfire smoke shrouded major cities. Some flights were

By Jacqueline Howard, CNN (CNN) — Nearly 15% of children in the United States were recently treated for mental health disorders in 2021, according to new research from the US Centers for Disease Control and Prevention. The finding, released Tuesday by the CDC’s National Center for Health Statistics, suggests that mental health disorders – such as attention-deficit/hyperactivity