On a recent visit to Mexico, His Holiness the 14th Dalai Lama said he supported medical marijuana use, although he spoke against using the drug recreationally. A brave (and questionably sober) member of the audience broached the issue.

More on Buddhism and drugs:

Liberty and LSD” by John Perry Barlow

A High History of Buddhism” by Rick Fields

Psychedelic Journey to the Zafu” by Nina Wise

The Roundtable: Help or Hindrance” with Ram Dass, Joan Halifax, Robert Aitken, Richard Baker