Your circadian rhythm is a 24-hour internal clock managed by the suprachiasmatic nucleus in the brain, influencing sleep, hormones, and metabolism. Modern exposure to artificial light, especially blue ...

Boost your brain health with six science‑backed habits from sleep and exercise to nutrition and social connection that will enhance memory, mood, and cognitive vitality.

Neuroplasticity is real: Your brain is constantly changing and can form new neural connections throughout your life. Stress is a blocker: Chronic stress inhibits the brain’s ability to adapt and ...

Brain scans show that while you sleep, your neurons reset, blood vessels adjust, and fluids flush waste products away. But until now scientists still didn't understand exactly why missing sleep messes ...