Ed Weidenfeld, a prominent Washington attorney, seeking relief in any possible way asked his neurologist about the efficacy of cannabis. His neurologist was skeptical and cautioned against the dangers of the many contaminants that can be found in cannabis obtained from the black market. Weidenfeld queried multiple experts for the name of a source that could be trusted. Ed discusses how Parkinson's has treated him and how he treats Parkinson's with Mark Alyn.