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Guaraná is considered an ideal crop for supplementing the incomes of small peasant farmers in the Amazon basin. A fast-growing perennial, guaraná can be planted in the midst of manioc crops, allowing… (More)
Because the main present-day centres of coca chewing are in the high altiplano regions of Peru and Bolivia, it has been widely assumed that the habit evolved primarily as a response to the stresses… (More)
This article examines alternatives to the War on Drugs through a comparative analysis of attitudes toward coca and cocaine in South America. Two regions of traditional coca use and cultivation —… (More)
This article examines alternatives to the war on drugs in terms of the continued survival of the legal market in coca leaves. By comparing the two areas of traditional coca use and… (More)