I am convinced that there are genuine and valid levels of perception available with cannabis (and probably with other drugs) which are, through the d…

- Lester Grinspoon

I began to study marijuana in 1967... I had not yet learned that there is something very special about illicit drugs. If they don't always make the…

- Lester Grinspoon

Marijuana is one of the least toxic substances in the whole pharmacopoeia

- Lester Grinspoon

I have come to doubt whether the FDA rules should apply to cannabis. There is no question about its safety. It is one of humanity's oldest medicines,…

- Lester Grinspoon

Cannabis is remarkably safe. Although not harmless, it is surely less toxic than most of the conventional medicines it could replace if it were legal…

- Lester Grinspoon

We in this country have to make up our minds -- -- we can not have it both ways: we cannot be both drug-free and free.

- Lester Grinspoon

Marijuana is effective at relieving nausea and vomiting, spasticity, appetite loss, certain types of pain, and other debilitating symptoms. And it is…

- Lester Grinspoon

I've been smoking marijuana for 44 years now, and ... I think it's a tremendous blessing.

- Lester Grinspoon