Abstract
To the Editor: The nonmedical intranasal use of cocaine has resulted in remarkably few problems demanding clinical attention.1 , 2 Recently, I have detected a growing trend toward increased use of cocaine by smoking, a practice associated with considerable risk of dependency and toxicity. The widespread distribution and sales of cocaine pipes and other cocaine-smoking paraphernalia further signals the acceptance of this practice among social-recreational users.During the 19th century, cocaine was smoked in the form of coca-leaf cigars and cigarettes for the treatment of respiratory problems.3 The relatively low level of cocaine in the leaves (0.5 to 1.5 per cent) probably . . .

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