NBC’s Chief Medical Editor Dr. Nancy Snyderman is teaming up with NBCU Web properties iVillage.com and TodayShow.com to help Americans stop smoking.

“Today Calls it Quits” is a multi-platform effort that will take the Stop Smoking message online, answering readers’ questions and giving support to those who want to quit.

The effort kicks off tomorrow with Dr. Snyderman appearing on the Today show with the conversation continuing online on iVillage and TodayShow.com.