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LESSON 3 · Outsmart Your Own Biases

Sharks Vs the Real Risks

How dangerous are sharks really? Most people rate a shark attack as a serious threat. Yet in a typical year, fewer than one American dies from one.

Your brain uses mental shortcuts called heuristics to judge probability. The availability heuristic makes events that are easy to recall feel more likely — and dramatic stories are always easier to recall than dry statistics. The result is a systematic distortion of risk perception.