The human brain is designed to "snap" under threat, but 100,000 years of evolution did not prepare us for the the world we live in today. R. Douglas Fields, PhD, describes how the brain's rage circuitry is activated -- whether that's a car that cuts you off on the highway or a pickpocket who steals your wallet. The primal rage response also explains a lot about the January 6 mob mentality, the unruly airline passenger who strikes a flight attendant, or a terrorist attack. Learn the 9 triggers that are programmed to make you snap (and how to identify the "misfires")