RT Journal Article SR Electronic T1 A promise is a promise JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 117 OP 118 DO 10.1136/tc.12.2.117 VO 12 IS 2 A1 K M Cummings YR 2003 UL http://tobaccocontrol.bmj.com/content/12/2/117.abstract AB Philip Morris promised to “shut down instantly”if cigarettes were found to be harmful. Now that the company has admitted that “smoking causes lung cancer, heart disease, emphysema, and other serious diseases”, when will they keep their promise to stop making cigarettes?