cannabis science carl-sagan Dr. Lester Grinspoon Harvard Marihuana Reconsidered marijuana books marijuana research Peter Grinspoon Politics

Dr. Lester Grinspoon encouraged America to ‘reconsider’ marijuana

A remembrance: The Harvard physician’s 1971 book laid the scientific foundation for today’s legal cannabis laws.
The post Dr. Lester Grinspoon encouraged America to ‘reconsider’ marijuana appeared first on Leafly.