No, men’s hormone levels don’t fluctuate as intensely as women’s do. But, as Ollie Matthews, a nutritionist specialising in ...

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 ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones like insulin, cortisol, thyroid hormones, and ...

Women have long shouldered the burden of birth control. Now, men may soon have an option that is not only hormone-free, but also allows space between doses. YourChoice Therapeutics on June 4 at the ...

The opioid epidemic has claimed more than half a million lives in the U.S. since 1999, about three-quarters of them men, according to the National Institutes of Health. Although men's disproportionate ...

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

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 ...

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 ...