Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, neuroscientists have established that humans make it too, opening the door to development of a new class of ...

In today’s demanding and fast-moving world, fertility is influenced by far more than biology alone. Stress levels, sleep quality and everyday lifestyle habits play a profound role in shaping ...

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

Growing tissue from cells in a petri dish is hard enough, but growing multiple types of tissue, connecting them, and keeping them alive for weeks is even more daunting. A team led by Teresa K.

Male hormone levels maintain day-to-day stability while female hormones experience continuous changes throughout both the menstrual cycle and various life stages.

Interactions between the innate and adaptive immune systems and the endocrine system in the female reproductive tract (FRT) are essential for successful reproduction and for maintaining immune ...

Stress is known to decrease fertility and sexual behavior, but researchers thought this was because stress hormones lower levels of a brain hormone called gonadotropin releasing hormone, or GnRH.

One of the most challenging areas of health care is the endocrine system. This vastly complex system is what regulates the hormones in your body. Often hormones are seen as triggers for very specific ...