The prevalence of marijuana abuse or dependence climbed from 1.2 percent of adults in 1991-92 to 1.5 percent in 2001-02, or an estimated 3 million adults 18 and over.
So which is it: habitual use, or abuse or dependence?
Also, the figures may indicate that baby boomers "bring their bad habits with them into old age," he said.
The number of baby boomers is increasing?
Yep, and we're not telling anyone how we're doing it.