Scott Alexander summarizes comments on his healthcare effectiveness debate with Robin Hanson, including clarifications, study author responses, and reader perspectives on various healthcare topics.

Anna Schaffner's 'Exhaustion: A History' traces explanations for chronic fatigue from ancient times to modern Chronic Fatigue Syndrome, showing how they reflect contemporary cultural and scientific ideas.

Scott Alexander examines obscure pregnancy interventions that may improve child outcomes, rating them by evidence quality and potential impact.

Scott Alexander analyzes ivermectin studies for COVID-19, finding most positive results likely due to methodological flaws, fraud, or confounding by parasitic infections.

The post examines the medical benefits, risks, and ethical considerations of infant circumcision, presenting a balanced view based on various studies and historical context.