15 cognitive biases that many people only slowly recognize after age 40:

1. Causality bias: confusing correlation with causation
Mistaking “appearing at the same time” for a “causal relationship.”
Many people treat the common traits found in successful people as the reasons for their success,
but in reality, many phenomena are merely correlated—not true causation.
2. Causality bias: single-cause attribution bias
Complex outcomes are attributed to a single cause.