Will new perception prompt more illegal marijuana use?

The opening of medical marijuana dispensaries in the suburbs has some substance abuse prevention experts worried.

Will teens get hold of marijuana meant for medical use and abuse it?

Will the positive message about the drug’s benefits for the chronically ill change perceptions about its risks for others?

Experts such as Dr. David Lott, medical director of addiction services at Linden Oaks Behavioral Health in Naperville, think it very well could.

“The more you think (marijuana is)…