The chewing of coca leaves in Peru.
D000328:Adult; D003041:Coca; D003042:Cocaine / Q000378:metabolism / Q000506:poisoning; D005260:Female; D006801:Humans; D007360:Intelligence / Q000187:drug effects; D008297:Male; D008409:Mastication; D008875:Middle Aged; D009748:Nutrition Disorders / Q000209:etiology; D010568:Peru; D010946:Plants, Medicinal; D011581:Psychological Tests; D019966:Substance-Related Disorders / Q000150:complications / Q000453:epidemiology*
D003042:Cocaine