Ken Nelson

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An amateur chemist who first documented the smoking of crystallized venom from the Sonoran Desert toad in 1989.

Videos Mentioning Ken Nelson

Dr. Andrew Weil — The 4-7-8 Breath Method, How to Emerge from Depression, & More

Dr. Andrew Weil — The 4-7-8 Breath Method, How to Emerge from Depression, & More

Tim Ferriss

An amateur chemist who first documented the smoking of crystallized venom from the Sonoran Desert toad in 1989.