George McMahon (1950–2019) was an American cannabis rights activist.

He lived with extreme pain caused by a rare genetic condition called nail-patella syndrome and used cannabis to treat its symptoms.

[1][2][3][4][5] McMahon, who lived in Iowa, traveled widely for speaking engagements.

[9] McMahon co-authored the book Prescription Pot: A Leading Advocate's Heroic Battle to Legalize Medical Marijuana.

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