cigarette harmful ingredients Chemicals in Tobacco Products and Your Health 12.9 Labelling of tobacco products
Description
These include: cigarette smoke burning rubber chemicals, such as ammonia something spoiled or rotten While the most common smells associated with phantosmia tend to be undesirable, some people do report smelling sweet or pleasant odors

These metals, combined with the nicotine, are very dangerous to inhale

Copenhagen City Heart Study"

[accessed 24 Aug 2011]

This works because when you smoke foods at low temperatures, the wood doesnt tend to burn quickly
