New theory may revolutionize treatment of endometriosis

Endometriosis, a disease found in up to 10 percent of women, has been enigmatic since it was first described. A new theory developed by researchers at Simon Fraser University suggests a previously overlooked hormone—testosterone—has a critical role in its development. The research could have direct impacts on diagnosis and treatment of the disease, signaling hope …

Researchers map how people in cities get a health boost from nature

Your local city park may be improving your health, according to a new paper led by Stanford University researchers. The research, published in Proceedings of the National Academy of Sciences, lays out how access to nature increases people’s physical activity—and therefore overall health—in cities. Lack of physical activity in the U.S. results in $117 billion …