1.   Another rule is that the bar be at least six feet from dining room seats, but owners say it is difficult to keep smokers from wandering.

2.   If Air Force personnel are any indication, work rules about weight can act as a powerful force to keep smokers smoking, a new study suggests.

3.   The move affects full-priced and discount cigarettes equally in an attempt to keep smokers buying the more profitable premium brands.

4.   But documents obtained through court proceedings in recent years show that the industry has long been aware that low-tar cigarettes may keep smokers from quitting.

5.   The Liggett Group agreed last week to settle a class-action lawsuit accusing tobacco companies of manipulating nicotine levels to keep smokers hooked.