After traveling the world, meeting with medical experts and medical marijuana patients, Gupta concludes "we have been terribly and systematically misled for nearly 70 years in the United States, and I apologize for my own role in that."Marijuana laws are not based on science. Gupta wrote: "Not because of sound science, but because of its absence, marijuana was classified as a schedule 1 substance" at the urging of Assistant Secretary of Health, Roger Egeberg in 1970.