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Understanding diabetes today requires holding two conflicting realities in your head simultaneously.First, diabetes therapy has been revolutionized by a world of new drugs that have become available since the turn of the century—most notably, drugs of the same class as Wegovy and Ozempic that began their existence as diabetes medications and are now hailed as wonder drugs for treating obesity. These drugs do the best job yet of controlling blood sugar and, of course, body weight, which is critical for those Type 2 diabetes, the common form of the disease that constitutes over 90 percent of cases and is associated with age and obesity. For type 1 diabetes, the acute condition that typically strikes in childhood and adolescence, new devices—continuous blood sugar monitors and automated insul...

You are what you eat, as the saying goes. But it might be more accurate to say you feel how you eat, since the burgeoning field of nutritional psychiatry suggests your diet plays an important role in your mental health. The right mix of foods and nutrients may serve as a buffer against stress, anxiety, depression, and a range of other psychological issues, research suggests. Studies have shown, for example, that people who follow a Mediterranean diet—one heavy on fruits, vegetables, legumes, olive oil, and fish—tend to have lower risks for depression than people who don’t. Piling your plate with foods like these may even be better for mental health than social support, a known psychological booster, according to a study from 2017.There may not be an immediately obvious link between what go...

Hearing loss has huge consequences, but you might not know that based on how infrequently it’s treated. Roughly a third of adults who develop hearing loss report never seeing a physician about it—in part because of stigma and fear surrounding aging, disability, and hearing aids.Dr. Janet Choi, an otolaryngologist at Keck Medicine of USC who herself wears a hearing aid, wanted to know how the devices might affect a person’s long-term health. Previous research has shown that adults with untreated hearing loss have shorter lifespans than those without any hearing loss—but what about those who use hearing aids, she wondered? In her new study, out Jan. 3 in The Lancet Healthy Longevity, Choi and her co-authors found that the regular use of hearing aids is associated with a 24% reduction in mort...

Thirty years after tomatoes became the first genetically modified produce sold in the U.S., lots of people remain skeptical of science-ified foods. In a 2020 Pew Research Center survey, just 27% of Americans said they felt genetically modified foods are safe to eat, while 38% said they’re unsafe and 33% weren’t sure.That’s not only a U.S. phenomenon. In the Philippines, for example, activists have been protesting the production of Golden Rice, a type of genetically modified rice harvested at scale for the first time last year. Unlike regular rice, Golden Rice is engineered to contain beta carotene, an addition meant to counter vitamin A deficiency and resulting vision loss. But opponents argue the rice has not been through adequate testing and that there are safer and healthier ways for pe...