This document discusses quackery, or health fraud, in a classroom lesson. It defines quackery as fraudulent health services that have not been proven safe and effective. The document outlines three main types of quackery: medical, nutrition, and device quackery. It also explores why people may fall for quackery due to desperation, lack of information, or trusting personal testimonials. The lesson includes activities like differentiating health professionals from quacks, describing dangers of quackery, and creating posters to educate others.