That's because the Family Smoking Prevention and Tobacco Control Act, which forces tobacco companies to call "light" cigarettes "golds" or "blues" instead, also forbids them to sell cigarettes that have a "characterizing flavor" other than tobacco or menthol
Speaking in 1969, Philip Morris President, Ross Millhiser said that the flip-top box "contributed immeasurably to the early success of the brand"
The people given the lower-nicotine cigarettes smoked 23% to 30% fewer cigarettes per day than those who smoked the cigarettes with 15.8 mg of nicotine per gram
The pooled relative risks for the other nine studies that did not allow for multiple confounders were 1.26 and 2.11 for one and 20 cigarettes per day, and the excess relative risk for one cigarette per day was 25% (again, lower than the estimate when we used adjusted relative risks)

Cigarette Advertising Themes 29 Collections Doctors Smoking( 238 images )For your Throat( 547 images )Targeting Doctors( 530 images )For Your Health( 382 images )Scientific Authority( 248 images )Filter Safety Myths( 1086 images )Menthol Medicates( 1379 images )Light, Super & Ultra Light( 604 images )Reassuring Brand Names( 285 images )Fresh, Pure, Natural & Toasted( 462 images )Psychological Exploits( 735 images )Targeting Women( 1180 images )Women's Cigarettes( 1030 images )Keeps you Slim( 382 images )Targeting Teens( 1471 images )Infants & Children( 336 images )Cartoons( 949 images )Musicians & Artists( 664 images )Movie Stars( 727 images )Smoking in Sports( 1233 images )African Americans( 1536 images )Religion( 92 images )Global Village I( 916 images )Global Village II( 915 images )Cultural Icons( 1010 images )War & Aviation( 506 images )Modern Strategies( 1890 images )Early Orientalist( 678 images )Propaganda Etc.( 370 images )