Researchers at Johns Hopkins Medicine say they unexpectedly found new information about a protein's special role in getting ...

Specifically, the researchers found that intersectin keeps tiny, message-carrying bubbles inside brain cells in a particular ...

These cells form a membrane that usually keeps toxins out of the brain while allowing oxygen and nutrients to get in. But animal studies show that exposure to repeated blast waves impairs this system.

The study found that astrocytes, a type of support cell in the amygdala—the brain’s emotion center—has a specific type of brain receptor that limits stress-induced fear.