If America moves at all toward decriminalizing, tonight's report suggests, the first beneficiaries are likely to be marijuana smokers.
In fact, the study found that the lung function of most marijuana smokers actually improved slightly over time.
The alcohol industry might also lose sales, since marijuana smokers do not feel the need to drink.
America's drug warriors, much like its marijuana smokers, seem under the spell of a powerful intoxicant.
But Sidney notes that most marijuana smokers don't become long-term users.
He later studied the identity formation of marijuana smokers.
Australia has one of the highest percentages of marijuana smokers in the world.
"I used to be a heavy marijuana smoker in the 50's," he said.
Yet, it does not appear likely that the list of Government-approved marijuana smokers will grow soon.
He was also the first legal medical marijuana smoker in the United States since 1937.
