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

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the ...

Male hormones regulate bodily functioning. These chemical messengers influence energy, mood, muscle, fat, health, and overall health. Your body makes dozens of hormones. A few common male hormones ...

The human body runs on chemistry—from the water that regulates temperature to the proteins that carry oxygen and signal cells.