"Extra" Lifechanger Dr. Drew Pinsky discussed the dangers of nicotine and how he's partnering with Nicorette to battle nicotine addiction. What you may not know about Dr. Drew, however, is he has had his own past with smoking.

"I smoked cigars briefly," the "Celebrity Rehab" doc reveals in "Extra's" in-studio interview. Hear what he had to say about it!

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