Burger King isn’t going to make you suicidal, at least I don’t think so. And funnel cakes at the beach might not make you bawl right there on the boardwalk. But too much of some of this stuff and you may become unlikeable, to yourself and to everyone around you. A mound of research shows...

F.E.A.R – Forget everything and run. We are wired to fear, as fear has kept us alive back when we had hair on our feet, and continues to save our lives today when something threatens our existence. The almond-shaped cluster within our brain known as the amygdala, or fear center, is quite effective at sending “fight...