Former elite football players may age faster than their more average peers, a new study suggests. NFL players, especially former linemen, had fewer disease-free years and earlier high blood pressure and diabetes diagnoses. Two age-related diseases, arthritis and dementia, were also more commonly found in former football players than in other men of the same…  read on >  read on >

Is your pooch a herder or a hunter? You can try taking them to a trainer, but new research shows much of their behavior is hardwired in their DNA. For the new study, researchers analyzed DNA samples from more than 200 dog breeds and surveyed 46,000 pet-owners to try to suss out why certain breeds…  read on >  read on >

Liver disease can affect heart health and that includes even early forms of the disease, a new study reveals. While it had previously been known that nonalcoholic fatty liver disease was associated with cardiovascular death, the relationship was poorly understood, said researcher Dr. Alan Kwan. He is a cardiologist and cardiac imaging researcher in Cedars-Sinai…  read on >  read on >

With more American men turning to testosterone therapy as a way to boost energy levels, build muscle and tackle erectile dysfunction, it’s no wonder that web-based merchants have stepped into the breach, seeking to grab market share away from doctors and pharmacies. But are online testosterone purchases safe? No, a new investigation warns. The conclusion…  read on >  read on >

The updated bivalent COVID-19 boosters are now approved for use in children as young as 6 months of age, the U.S. Food and Drug Administration announced today. Children can receive either a Moderna or Pfizer-BioNTech bivalent booster shot, although the rules differ depending on their age and what type of vaccine they got as their…  read on >  read on >

Older adults who harbor more vitamin D in their brains may stay mentally sharper, a new study suggests. Researchers found that when older adults had higher levels of vitamin D in their brain tissue, they tended to perform better on standard tests of memory and thinking. They were also less likely to have dementia or…  read on >  read on >

A relatively new drug is boosting survival rates for women with a specific type of advanced breast cancer who haven’t responded to other treatments, according to a pair of clinical trials. The targeted antibody drug — trastuzumab deruxtecan (T-DXd, sold under the brand name Enhertu) — dramatically outperformed an older antibody drug in one trial,…  read on >  read on >