Virtually every cell has a receptor for these types of steroids, and that receptor is called a glucocorticoid receptor. When the steroids become active or elevated, they can reach many, many cells—“every cell in the body,” according to Dr. Jonathan Ashwell, an expert in cell biology at the NIH. It’s a remarkable idea in and of itself. In the giant festival, this hormone courses through the entire confines of the party and has an impact on the behavior of many, many partygoers. At least the ones that are self.

