Protecting your brain starts early. New American Heart Association guidelines highlight how factors from childhood pollution to adult sleep habits shape lifelong cognitive health. Many people don’t think about brain health until they get older, but new research shows that ...

New research shows that missing sleep causes waves of cerebrospinal fluid to disrupt attention, briefly shifting the brain into a sleep-like state even while awake. If you’ve ever caught yourself drifting off after a bad night’s sleep, you’re not alone. ...