Period loss, or amenorrhea, affects approximately 3% to 4% of women of reproductive age. It can be the body’s response to an energy crisis resulting from a combination of too much exercising ...

Heat Domes Are Hotter and Lingering Longer—Because of the Arctic A rapidly warming Arctic is driving long-lasting summer extremes, such as this month’s sweltering temperatures, new research ...

A heat wave is coming. What are the first signs of heat stroke and how can you protect yourself. Here's what to know.

The trinational engine effort aims to bring adaptive-cycle power and propulsion to the Future Combat Air System fighter.

During each menstrual cycle phase, you can experience a range of emotions. This is because your hormones fluctuate throughout your menstrual cycle.

A new study reveals that natural hormone fluctuations during the estrous cycle dramatically alter neuron structure and activity in the mouse hippocampus, a brain region key to learning and memory.

In females, this effect was influenced by the estrous cycle. The researchers also found sex differences in the mechanisms through which histamine regulated dopamine levels.

Everyone’s menstrual cycle is different. This guide describes what’s normal, how to manage symptoms and optimize your health, and what abnormalities to watch out for.

Cycle syncing aligns a person's diet and exercise habits with their menstrual cycle. Learn what the research says and who it might benefit here.

In breast cancer, neoadjuvant chemotherapy reduces the tumor before surgery. However, the response to this treatment does not depend solely on the subtype of malignancies. Other factors could play a ...

Estrous cycle-dependent modulation of sexual receptivity in female mice by estrogen receptor beta-expressing cells in the dorsal raphe nucleus.