for example, the thin bands that travel transverse to the "axis of smoking" (thus forming circles along the length of the cigarette) are alternate sections of thin and thick paper to facilitate effective burning when being drawn, and retard burning when at rest
This was 1968 and my dad was stationed with the Army at Fort Knox, KY, America's biggest Armor base
"We found that smokers who consume cigarettes immediately after waking have higher levels of NNAL -- a metabolite of the tobacco-specific carcinogen NNK -- in their blood than smokers who refrain from smoking a half hour or more after waking, regardless of how many cigarettes they smoke per day," said Steven Branstetter, assistant professor of biobehavioral health, Penn State
Additionally, requiring participants to smoke two cigarettes within an hour may raise ecological validity concerns for those who smoke fewer cigarettes/day
In many cases, overpowering vanilla, and often accompanied by prunes or dark fruits