Progesterone is part of hormone replacement therapy (HRT) for people who have been through menopause and still have a uterus. Possible side effects include spotting, headaches, and breast tenderness.

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 ...

As opioid overdose deaths in the U.S. rose dramatically from 2014 to today, both Philadelphia, Pennsylvania, and Camden, New Jersey, cemented reputations as hotspots of the crisis. In Philadelphia, ...

Female hormones can suppress pain by making immune cells near the spinal cord produce opioids, a new study from researchers at UC San Francisco has found. This stops pain signals before they get to ...

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.

Female hormones—namely progesterone and estrogen—are underrecognized contributors to addictive behavior in women. Women are more vulnerable to developing addictions than men. In particular, women ...

This article was reviewed by Julia Switzer, MD, FACOG. Key Takeaways: Estrogen and progesterone are complementary reproductive hormones. Estrogen shapes everything from puberty to menstrual cycles to ...