The discovery of a gut-to-brain regulation pathway in flies calls for additional consideration on how certain medications, especially GLP-1 agonists, can be used to treat obesity and diabetes in ...

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

Weizmann Institute molecular geneticist discovers what makes humans ‘tick’ and causes disruptions during menstruation, ...

Ghrelin is a hormone your stomach makes that signals your body when you're hungry. You might think of it as an "on switch" for appetite. Your small intestine, pancreas, and brain also release small ...

The placenta and the hormones it produces may have played a crucial role in the evolution of the human brain, while also leading to the behavioral traits that have made human societies able to thrive ...

Scientists have discovered that breast cancer can disturb the brain’s daily stress hormone rhythms early in disease ...

Recent research findings put a spotlight on the link between human growth hormone (HGH) and Alzheimer’s disease. Could taking HGH increase your risk of Alzheimer’s? Ultimately, scientists say they ...

Vitamin D3 is associated with multiple functions, including bone mineralization, regulation of cell growth, and immune and neuromuscular functions. The current article focuses on the role of vitamin D ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. When it comes to birth control, men have exactly two reliable options: condoms or a vasectomy. That’s it. For decades ...

Growing evidence that chemicals in the environment can interfere with animals' hormone systems -- including the discovery that male Potomac River fish are growing eggs -- has focused the attention of ...

A hormone-free male contraceptive pill called YCT-529 has successfully completed its first human safety trial, marking an ...