The document discusses the issue of drug use among athletes and argues that it should be cracked down upon. It notes that drugs provide unfair advantages, hurt athletes' health, and damage the image of sports. It outlines the types of drugs commonly used, including performance-enhancing drugs, therapeutic drugs, and recreational drugs. The document also examines the factors influencing athletes' drug use and the effects of different types of drugs. It advocates for prevention through drug testing and education programs.