The document outlines the World Anti-Doping Agency's prohibited list of substances and methods for 2017. It lists categories of prohibited substances including anabolic agents, peptide hormones, beta-2 agonists, hormone and metabolic modulators, diuretics, stimulants, and narcotics. It also lists prohibited methods such as manipulation of blood and blood components, chemical and physical manipulation, and gene doping. Certain substances are prohibited in-competition only, including stimulants, narcotics, cannabinoids, and glucocorticoids.