https://livewellnews.com/articles/amazon-indigenous-low-dementia/ Live Well News en 2026-09-18T00:00:00.000Z Dementia stayed rare in two Indigenous Amazonian groups followed for nearly five years https://livewellnews.com/articles/blood-test-trends-weight-loss-cancer/ Live Well News en 2026-09-18T00:00:00.000Z Reading the trend in old blood tests helped spot cancer after unexplained weight loss, for some tests https://livewellnews.com/articles/cgm-glucose-profiles-heart-risk/ Live Well News en 2026-09-18T00:00:00.000Z Glucose monitor patterns tracked with heart risk in 1,356 people who did not have diabetes https://livewellnews.com/articles/exercise-midlife-mood-neurogenesis/ Live Well News en 2026-09-18T00:00:00.000Z Three months of online exercise classes lifted mood in midlife but left the memory test unchanged https://livewellnews.com/articles/inherited-egfr-lung-cancer-risk/ Live Well News en 2026-09-18T00:00:00.000Z An inherited gene variant raised lung cancer risk more than smoking did, in 3.3 million people https://livewellnews.com/articles/lactic-acid-bacteria-nanoplastics/ Live Well News en 2026-09-18T00:00:00.000Z A bacterium from kimchi stuck to nanoplastics and doubled how much mice passed in their droppings https://livewellnews.com/articles/perinatal-depression-infant-mortality/ Live Well News en 2026-09-18T00:00:00.000Z Infant deaths were nearly three times as common when mothers screened positive for depressive symptoms https://livewellnews.com/articles/rem-deep-sleep-disease-risk/ Live Well News en 2026-09-18T00:00:00.000Z More REM and deep sleep tracked with lower risk of dozens of diseases in 95,559 people https://livewellnews.com/articles/skull-lymphoid-structures-brain-immunity/ Live Well News en 2026-09-18T00:00:00.000Z The skull's bone marrow holds immune structures that keep watch over the brain, a mouse study finds https://livewellnews.com/articles/urolithin-a-gut-barrier/ Live Well News en 2026-09-18T00:00:00.000Z A compound gut bacteria make from pomegranates and walnuts strengthened the gut lining in mice https://livewellnews.com/articles/aging-heart-lymphatic-vessels-inflammation/ Live Well News en 2026-09-17T00:00:00.000Z Aging hearts lose their drainage vessels, and in mice that loss helped drive inflammation https://livewellnews.com/articles/androgen-muscle-stem-cells-aging/ Live Well News en 2026-09-17T00:00:00.000Z Male hormones help keep muscle stem cells in reserve for repair, a study in mice finds https://livewellnews.com/articles/apoe2-longevity-gene-brain-blood-vessels/ Live Well News en 2026-09-17T00:00:00.000Z A gene variant linked to long life kept brain blood vessel support cells healthier in mice and lab cells https://livewellnews.com/articles/astronaut-heart-spaceflight-mars-gravity/ Live Well News en 2026-09-17T00:00:00.000Z The hearts of 13 astronauts adjusted to six months in space and coped with simulated Mars gravity https://livewellnews.com/articles/bat-genomes-longevity-virus/ Live Well News en 2026-09-17T00:00:00.000Z Long-lived bats carry genetic changes that may link their resistance to cancer and to viruses https://livewellnews.com/articles/brain-stimulation-procrastination/ Live Well News en 2026-09-17T00:00:00.000Z Mild brain stimulation cut procrastination in a small trial, with some effect still visible six months later https://livewellnews.com/articles/cognitive-resilience-alzheimers-risk/ Live Well News en 2026-09-17T00:00:00.000Z Cognitive resilience predicted Alzheimer's dementia about as strongly as the disease's hallmark proteins did https://livewellnews.com/articles/embassy-air-quality-monitoring-pollution/ Live Well News en 2026-09-17T00:00:00.000Z Air pollution rose by about a quarter in cities after US embassies stopped publishing air-quality readings https://livewellnews.com/articles/epigenetic-clocks-longevity-interventions/ Live Well News en 2026-09-17T00:00:00.000Z Some epigenetic aging clocks respond to treatment far more than others, a pooled analysis of 51 studies finds https://livewellnews.com/articles/exercise-bone-density-older-adults/ Live Well News en 2026-09-17T00:00:00.000Z Brisk walking or jogging showed some of the clearest bone benefits for over-40s in a review of 124 trials https://livewellnews.com/articles/gut-bacteria-serotonin-blood-pressure-rats/ Live Well News en 2026-09-17T00:00:00.000Z Gut bacteria may raise blood pressure by dampening a serotonin signal to the vagus nerve, rat study finds https://livewellnews.com/articles/gut-dna-sensor-obesity-mice/ Live Well News en 2026-09-17T00:00:00.000Z Switching off a gut immune sensor protected male mice from diet-driven obesity through their gut bacteria https://livewellnews.com/articles/kappa-opioids-itch-brain/ Live Well News en 2026-09-17T00:00:00.000Z An anti-itch drug calms scratching through a deep brain region called the claustrum, research in mice suggests https://livewellnews.com/articles/lean-fat-breast-cancer-ferroptosis/ Live Well News en 2026-09-17T00:00:00.000Z Fat cells in lean breast tissue release a molecule that kills cancer cells, and obesity reduces it https://livewellnews.com/articles/microglia-adenosine-sleep-pressure/ Live Well News en 2026-09-17T00:00:00.000Z The brain's immune cells help keep sleep from fragmenting, a study in mice finds https://livewellnews.com/articles/puberty-pregnancy-menopause-brain-structure/ Live Well News en 2026-09-17T00:00:00.000Z Brain scans show gray matter shrinks through puberty and pregnancy but may hold steady during menopause https://livewellnews.com/articles/retatrutide-cagrilintide-weight-loss-rats/ Live Well News en 2026-09-17T00:00:00.000Z Combining two next-generation weight-loss drugs beat either one alone in obese rats https://livewellnews.com/articles/sounds-sleep-brain-fluid-flow/ Live Well News en 2026-09-17T00:00:00.000Z Soft sounds timed to deep-sleep brain waves increased the flow of fluid through the brain https://livewellnews.com/articles/tau-sleep-slow-waves-memory/ Live Well News en 2026-09-17T00:00:00.000Z Tau protein in the brain may harm memory partly by breaking up the slow waves of deep sleep https://livewellnews.com/articles/teen-girls-depression-loneliness-thinness/ Live Well News en 2026-09-17T00:00:00.000Z Loneliness and wanting to be thinner may explain much of why teenage girls report more depression than boys