Charles-Édouard Brown-Séquard, a 72-year-old professor of medicine at the College de France, injected himself with an extract of guinea pig testicles. A month later he announced to the Société de Biologie that he had found a drug to rejuvenate elderly men. Although Brown-Séquard had experienced a placebo effect, his report eventually led to the discovery of sex hormones.

Type of event: Other Notable Event

Country: France

Region: Europe and the former USSR