Runners over 40 keep hearing two opposite promises: burn fat like a furnace, or load up on carbs and never bonk. Science says both camps are half right, and the real answer depends on...
Your brain’s memory center appears to hit a biological turning point between 50 and 75—fast, coordinated, and hard to ignore.Story SnapshotHippocampal immune cells shift...
The same training that powers you up mountains can, over decades, rewire your heart in ways you did not plan.Story SnapshotExtreme endurance training can...