71.   Congress last year began investigating whether tobacco companies manipulate nicotine levels, but the probe ended with the Republican takeover of the House.

72.   Fumo louco blends give cigarette makers a new tool for adjusting nicotine levels in their products.

73.   It accuses tobacco companies of manipulating nicotine levels to hook smokers, and of hiding knowledge that nicotine is addictive.

74.   The agency itself has just begun a comprehensive study examining nicotine levels in people who switch from regular cigarettes to menthol.

75.   The documents show companies learned to make cigarettes that delivered more nicotine in the first few puffs and to add ammonia to boost nicotine levels.

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

77.   The results showed nicotine levels in New Zealand cigarettes could be lowered significantly.

78.   In another test, Philip Morris experimented on the growth of tobacco with elevated nicotine levels for possible use in new products, he stated.

79.   The FDA is studting whether it can regulate tobacco as a drug, and central to its decision is whether cigarette manufacturers manipulate nicotine levels in their products.