Higher IQ predicts less susceptibility to pseudo-profound nonsense, a link to nearsightedness, and support for free speech, but not happiness. Explore the strangest, research-backed correlations with IQ.
Not all evidence is created equal. Discover the Hierarchy of Evidence: a framework that ranks study types from anecdotes to meta-analyses, so you can stop being misled by weak science and start evaluating health claims with confidence.
