Using the ratio of mortality rates from lung cancer in never, former and current smokers after the 50-year follow-up of British doctors (Doll et al, 2005), and the prevalence of smoking among British men in 2008 (22% current smokers, 30% ex-smokers
e-cigarettes also contain potentially harmful ingredients, including: ultrafine particles that can be inhaled deep into the lungs, flavorants such as diacetyl, a chemical linked to serious lung disease, volatile organic compounds, heavy metals, such as nickel, tin, and lead e-cigarettes dont burn, so they dont require the use of fire or matches
Switching from cigarette smoking to cigar smoking can be particularly harmful because you might inhale cigar smoke the way you inhaled cigarette smoke
Phosphonates are generally more complexing than carboxylates, giving more stable structures
Evidencebased interventions can be highly effective when properly implemented and supported
Of the 140 countries and jurisdictions that require picture warnings, Switzerland is one of only 11 where these warnings can appear only on the reverse side of the pack