/oss/taxonomy/term/5848/all en /oss/article/health-and-nutrition-you-asked/spanish-fly-really-aphrodisiac <p>The extract contains cantharidin,  a substance that supposedly increases sexual desire. Not only does it not do that, it may eliminate all desire permanently. When ingested, cantharidin can kill. But when used in small doses topically, it can be an effective treatment for warts. </p> Fri, 03 Dec 2021 23:24:20 +0000 Joe Schwarcz PhD 8943 at /oss