Scott examines the relationship between altitude and obesity, then explores and ultimately dismisses the theory that increased atmospheric CO2 could be causing the obesity epidemic.

Scott reviews 'Unlearn Your Pain', finding its psychosomatic theory of chronic pain intriguing but overstated, while acknowledging the book's techniques may still be helpful via placebo effects.

Scott Alexander examines various anti-wheat claims and pro-wheat evidence, concluding that while some concerns exist, current evidence generally supports wheat consumption for most people.

Scott Alexander presents a roundup of recent medical and psychological studies, covering topics from UV light exposure to belief in science during stress.