Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the menstrual cycle and various life stages.

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a ...

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

Hormonal birth control helps prevent pregnancy by stopping ovulation and blocking sperm. Nonhormonal methods work by physically blocking sperm or using spermicide. Hormonal options include pills, ...

While millions of women rely on hormonal birth control for reproductive health management many remain unaware of its potential effects on hair growth and texture. These changes often overlooked in ...

Share on Pinterest Experts say hormonal birth control can produce mood changes. Eloisa Ramos/Stocksy Researchers say a study involving rats indicates that hormonal contraceptives can produce mood ...

At the awards ceremony at the 2018 Wildflower Triathlon, professional triathlete Kelly O'Mara wondered if she should quit her birth control pill. She was sitting with several other athletes and they ...

Reviewed by Felix Gussone, MD. Your endocrine system is a network of glands that produce and release hormones directly into your bloodstream. These hormones act like tiny, powerful messengers, ...