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Leopoldo Salazar Viniegra

Mexican doctor and psychiatrist (1898–1957)

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  • 5 chapters

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Through World War II, Switzerland and League of Nations

It was at La Castañeda, the institution where Salazar worked for more than twenty years, where he led many scientific investigations into the effects of marijuana. These investigations, detailed in his report "El mito de la marihuana" (English: The Myth About Marijuana), helped Salazar launch into the national public discourse the de-stigmatization of drug addiction and its treatment as a disease, not a crime. Due to increasing political and economic pressure from the United States government and a U.S. campaign to discredit Salazar, the law was repealed on July 3, 1940. Salazar dedicated his final years to studying mental health illnesses until his death in 1957 in Mexico City.

Early life and education

Salazar was born in Pánuco de Coronado or San Juan del Río, Durango, in 1898, the son of Leopoldo Salazar Salinas and Aurora Viniegra de Salazar. After his elementary studies in Durango, he moved to the capital to begin his university education at the Universidad Nacional Autónoma de Mexico (UNAM). He left for Europe where completed his medical schooling at the Facultad de Medicina de San Carlos in Madrid. For his specialization in psychiatry he studied at the Faculté de médecine in Paris.

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