A new case study provides biological evidence that a post-menopausal woman can induce orgasms solely through the use of ...

Discover why some women lactate outside pregnancy. Experts explain causes like medications, health conditions, and high prolactin, and when to seek help.

Sexual problems in men may be linked to low levels of the hormone prolactin, according to a new study. The finding is perhaps surprising because experts have traditionally thought prolactin, which ...

What are the hormonal correlates of paternal care? Across many animals, the two most commonly found correlates of paternal care are lower testosterone levels and higher prolactin levels. While that ...

Frank Porreca, Ph.D., is the research director for the U of A Health Sciences Comprehensive Center for Pain & Addiction and the Cosden Professor of Pain and Addiction Studies at the College of ...