Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...

Estrogen and progesterone are complementary reproductive hormones. Estrogen shapes everything from puberty to menstrual cycles to bone health, and progesterone is key to the second half of the ...

Once again I am extremely lucky to have this article co-written by a senior graduate student who's an expert on how reproductive hormones act on the brain. Stephanie Koebele is completing her Ph.D.

Infertility or reduced fertility is a common problem in the United States. According to the Centers for Disease Control and Prevention, nearly 1 out of 5 women are unable to get pregnant after a year ...