Medically reviewed by Kelly Wood, MD Key Takeaways Hormones serve as chemical messengers in the body and regulate functions ...

From testosterone to FSH and LH, a number of hormones drive male fertility. These chemical messengers regulate sperm production, sex drive, and more. Imbalances have the potential to contribute ...

Could sex hormones explain the difference in opioid use and misuse between genders? Since 1999, the American opioid epidemic has killed more than half a million people, and according to the National ...

Brain cells (magenta) in the reward center of a rat’s brain release dopamine in response to opioids. According to a new study by WashU Medicine researchers, male and female rats with a chronic pain ...

Scientists have discovered that oestrogen activates pathways in the colon that trigger pain and make the female gut more ...

Female hormones can suppress pain by making immune cells near the spinal cord produce opioids, a new study has found. This stops pain signals before they get to the brain. The discovery could help ...

UCSF researchers showed that estrogen can turn on pain signals in the gut, offering new insights into conditions like ...

Female sex hormones can significantly enhance the progression of the rare neurodegenerative eye disease retinitis pigmentosa (RP), according to a preclinical study by researchers at UT Southwestern ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: From testosterone to FSH and LH, a number of hormones drive male fertility. These chemical messengers regulate sperm production, sex ...