The Sound of Things Falling  (English, Electronic book text, Vasquez Juan Gabriel)

Coca leaves, the most potent stimulants of natural origin, have been used in rituals, to alleviate hunger, and to relieve the effects of living at high altitudes in the Andes mountains and the Amazon lowlands for atleast 5000 years. When chewed, coca, a natural anesthetic, numbs the mouth and produces a lightheadedness. It is believed that the original formula of Coca-Cola that was developed in 1886 by Georgia Pharmacist John Pemberton contained approximately 2.5 mg of cocaine per 100 ml of f...