QDigest ·
Scientists modified tiny sac-like particles released by cells into blood. The modified particles improved memory and thinking-related behaviour in mice used to study Alzheimer disease; whether they work safely in people is still unknown.
Open the full explanationStimulation from outside the head, without surgery, combined with thinking and memory exercises improved overall performance on memory and thinking tests in people with Alzheimer disease or less severe memory and thinking problems. It is not clear how long any benefit lasts.
Open the full explanationIn this study, hearing aids with counselling did not clearly slow the decline in memory and thinking over three years for older adults with hearing loss as a whole. Those whose memory and thinking were already more likely to decline may have benefited, but that finding is tentative.
Lancet ·
Open the full explanationIn adults recovering from stroke, practising arm movements with an interactive screen or virtual-reality program improved movement and range in the affected arm during rehabilitation. Whether these gains last after training ends is uncertain.
Open the full explanationThis review supports exercise as part of stroke rehabilitation: adults in the included trials reported better physical and mental well-being when exercise programmes ended, though lasting benefits remain uncertain.
Stroke ·
Open the full explanationIn South London, among people who had a first stroke, about one in ten had another stroke within five years.
Open the full explanationJapanese guidance recommends treating H. pylori, a stomach bacterium, earlier in life: the protection against stomach cancer is expected to be greatest before serious stomach changes develop, but treatment does not remove all risk.
Open the full explanationLight drinking was linked to higher risk of esophageal and colorectal cancers, breast cancer in women, and prostate cancer in men. This is an observed association, not proof that light drinking directly causes these cancers. Even about a drink a day or less cannot be assumed harmless.
Open the full explanationIn a Korean follow-up, among people who were very physically active and at a normal weight, those who smoked or drank heavily had more cancer than those who had never smoked and did not drink.
Open the full explanation