We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAsk the doctor. I've been smoking for over 40 years. I've tried and tried but just can't quit. Would it help just to cut back instead of stopping?AuthorsBhatt DLPublicationHarvard heart letter : from Harvard Medical School, 2013, Vol 24, Issue 3, p2ISSN1051-5313Publication typearticle