In the 1940s chemists discovered that barbasco, a wild yam indigenous to Mexico, could be used to mass-produce synthetic steroid hormones. Barbasco spurred the development of new drugs, including cortisone and the first viable oral contraceptives, and positioned Mexico as a major player in the global pharmaceutical industry. Yet few people today are aware of Mexico's role in achieving these advances in modern medicine. In Jungle Laboratories, Gabriela Soto Laveaga reconstructs the story of how rural yam pickers, international pharmaceutical companies, and the Mexican state...

In the 1940s chemists discovered that barbasco, a wild yam indigenous to Mexico, could be used to mass-produce synthetic steroid hormones. Barbasco spurred the development of new drugs, including cortisone and the first viable oral contraceptives, and positioned Mexico as a major player in the global pharmaceutical industry. Yet few people today are aware of Mexico's role in achieving these advances in modern medicine. In Jungle Laboratories, Gabriela Soto Laveaga reconstructs the story of how rural yam pickers, international pharmaceutical companies, and the Mexican state...