Each cigarette contains more than 4,000 different toxic chemicals which can damage the human body (WHO, 2011)
Manufacturers must provide FDA with scientific evidence to support such claims.
Let that sink in for a second25,000 puffs
Example 1: Consistent Smoking Cigarettes per day: 10 Years smoked: 30 Packs per day = 10 divided by 20 = 0.5 packs per day Pack years = 0.5 multiplied by 30 = 15 pack years Example 2: Heavy Smoking Cigarettes per day: 40 Years smoked: 15 Packs per day = 40 divided by 20 = 2 packs per day Pack years = 2 multiplied by 15 = 30 pack years Example 3: Intermittent Smoking Cigarettes per day: 15 (on average) Years smoked: 25 (with some periods of not smoking) Packs per day = 15 divided by 20 = 0.75 packs per day Pack years = 0.75 multiplied by 25 = 18.75 pack years Factors to Consider When Calculating Pack Years While the formula for calculating pack years is simple, there are some nuances to keep in mind: Inconsistent Smoking Patterns: Some individuals may have smoked heavily at certain times and lightly or not at all at other times
Although the fadeout idea has not been tested with regard to prevention, the plan has been studied for many years as a smoking cessation option
"Once enacted, these plain packaging laws will be the world's toughest laws on tobacco promotion." The bill would require all cigarettes to be sold in olive-green packs, with brand names dwarfed by health warnings, from 20 May 2012
