Performance-Enhancing Substance - Wikipedia - reaction time  ## Metadata - Author: **reaction time** - Full Title: Performance-Enhancing Substance - Wikipedia - Category: #articles - URL: https://en.wikipedia.org/wiki/Performance-enhancing_substance ## Highlights - Performance-enhancing substances, also known as performance-enhancing drugs (PEDs),[1] are substances that are used to improve any form of activity performance in humans. A well-known example involves doping in sport, where banned physical performance-enhancing drugs are used by athletes and bodybuilders. Athletic performance-enhancing substances are sometimes referred to as ergogenic aids.[2][3] Cognitive performance-enhancing drugs, commonly called nootropics,[4] are sometimes used by students to improve academic performance. Performance-enhancing substances are also used by military personnel to enhance combat performance