The placebo effect works even when patients know they're taking a placebo.
Fact #3356
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Your brain is about 73% water — even mild dehydration can impair cognitive performance.
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Nutmeg is hallucinogenic in large doses due to the compound myristicin — but the lethal dose is very small.
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Optical illusions reveal how your brain guesses reality.
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Ravens can solve multi-step puzzles and plan for future events — a cognitive ability once thought unique to humans and apes.
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Cognitive dissonance drives people to rationalize rather than update their beliefs.
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The illusion of control makes people overestimate influence over events.
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Implicit bias — unconscious prejudice — can be detected in reaction times even when conscious attitudes are neutral.
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The planning fallacy causes people to underestimate how long tasks will take — even knowing about the bias.
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