Enhancement of physical performance in medical students of rural india- the role of caffeine
Caffeine (1, 3, 7-Trimethylxanthine) is a habitual substance present in a wide variety of beverages and in choclate based foods. It is also used as adjuvants in some drugs. There have been numerous reports that caffeine is an ergogenic aid, ingestion of the drug has been shown to increase endurance, particularly in prolonged exercise lasting 30 -120 minutes. The present study was undertaken to study the effects of caffeine in coffee on endurance exercise in young healthy adult males. Twenty young males participated in this single blind study.