Scott Alexander examines whether psychiatrists should test for lead more often, concluding that while it could be relevant in some cases, there's not enough evidence to justify universal testing.

Scott Alexander shares and comments on highlights from Philip Tetlock's 'Superforecasting', discussing forecasting, cognitive biases, and organizational effectiveness.

The author humorously responds to a common argument against evidence-based medicine, suggesting a parachute experiment with a twist.

Scott Alexander examines a study showing no significant difference between CBT and psychodynamic therapy, challenging the idea that CBT is superior and exploring the possibility that most psychotherapies work through non-specific factors.

Scott Alexander examines the life cycle of medical ideas, discussing how promising treatments often get stuck in a 'grey area' between proven and alternative medicine.

Scott Alexander examines the claim that '90% of medical research is false', arguing it's an exaggeration while acknowledging real issues in the field.