Cigarette Smoking

Cigarette Smoking

Light vs Heavy Smokers
Light smokers – < 20 cigarettes / day
Heavy smokers – ≥ 20 cigarettes / day
* 1 packet contains 20 cigarettes

Differences in the Amount of Tar and Nicotine in Cigarettes
High-tar cigarettes – ≥ 22 mg tar
Moderate-tar cigarettes – 15 -21 mg tar
Low-tar cigarettes – 8-14 mg tar
Very low-tar cigarettes – ≤ 7 mg tar
* The amount of nicotine changes with the amount of tar in the cigarettes

Tobacco Smoking
1. Cigarette
- a product manufactured from cured and cut tobacco leaves, combined with other addictives including nicotine, which are rolled and/or stuffed into a paper-wrapped cylinder
- usually less than 120 mm in length and 10 mm in diameter

2. Cigar
- a cylinder of tobacco rolled in tobacco leaves for smoking
- 3 parts: wrappers, fillers and binders
Wrappers: cigar’s outermost leaves; determines the cigar’s character and flavour
Fillers: wrapped-up bunches of leaves in the interior of the cigar
Binders: elastic leaves used to hold together the bunches of fillers
- varies in size and shape
- different flavours: spice, cocoa/chocolate, coffee, nut, wood, berry

3. Smoking Pipe
- a device used for smoking tobacco
- consists of a small chamber for the combustion of the tobacco to be smoked (the bowl), and a thin stem (shank) that ends in a mouthpiece (the bit)
- bowl – briar, corncob, meerschaum, clay
- stems and bits – vulcanite, lucite, Bakelite, soft plastic
- steps involved: packing, lighting, prevent burning, smoking, cleaning, sweetening

Sources:
http://en.wikipedia.org/wiki/Tobacco_smoking
http://www.cigoutlet.net/cigarettes/marlboro_miles.html
http://www.cigarhandbook.com/RingGuide.asp
http://www.cigar.com/info/classify.asp

(Posted by: Vivian)