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 ...

Sunlight activates hormones essential for mood, sleep and reproductive health — that’s why it’s important to go outside when ...

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 ...