Scott provides answers to a dermatology quiz, discussing skin cancer risks, a quiz correction, and the surprising effectiveness of Botox in treating depression. Longer summary

This post provides answers to a dermatology quiz from the previous day. It covers three main points: 1) The increased risk of left-sided skin cancer for American drivers due to UV exposure, 2) A correction to a false statement in the quiz, and 3) The effectiveness of Botox in treating depression. The author then speculates on the implications of using Botox as a happiness-boosting intervention, comparing it to other utilitarian approaches like poverty relief and malaria nets. Shorter summary