A peer‑reviewed medical journal publishing original research, reviews, and editorials.
A heat dome has driven record electricity demand across the eastern United States. Officials warn temperatures will stay high this week and the grid faces stress as cooling needs rise. Cooling centers expand and energy-use guidance is issued to prevent outages.
A body of studies is showing that a blood marker called p-tau217 can forecast an elevated risk of cognitive impairment in healthy older adults years before symptoms appear. The evidence is not yet clinical-ready, but it is guiding trials that aim to slow or prevent Alzheimer’s disease and is being tested in Scotland’s primary care setting.