Medicine

A novel mechanism has been discovered in the bucktoothed rodents’ ability to withstand hurt

The health promises of boosting an important metabolic molecule may be clouded by its possible role in promoting cancer-cell growth

The FDA is stepping up its oversight of the $50 billion nutritional supplement industry

Cannabidiol reduces levels of stress hormone and blunts urge to use opioids

A cutting-edge therapy currently used for blood cancers is now being adapted to fight solid tumors

Clinical-trial participants and their carers are gaining influence over how experiments are run. As they take to social media, that could make things messy for the science

In the past, measles outbreaks have been brought under control with vaccines, but the dynamic may be shifting

In his memoirs, the womanizing writer Giacomo Casanova described suffering several bouts of gonorrhea—but researchers found no trace of the microbe on his handwritten journals. Karen Hopkin reports.

Experts caution that addressing lingering questions will require more research. 

Applying network theory to HIV’s structure has revealed the most valuable—and vulnerable—parts of the virus 

The surge in cases has sent 66 children to the hospital, according to the Centers for Disease Control and Prevention

The vaccine is up to 40 percent effective at preventing malaria in young children