Cigarettes contain more than 4000 chemical compounds and at least 400 toxic substances. When a smoker inhales, a cigarette he burns the cigarette at 700°C at the tip and around 60°C in the core. This heat breaks in the cigarette breaks down the tobacco to produce various toxins for the smoker to smoke. As a cigarette continues to burn, the residues are concentrated towards the butt of the cigarette.
The products that are most damaging in the cigarette are:
- tar, a carcinogen (substance that causes cancer)
- nicotine is addictive and increases cholesterol levels in your body
- carbon monoxide reduces oxygen in the body
- Components of the gas and particulate phases cause chronic obstructive pulmonary disorder (COPD).
The damage caused by smoking is influenced by these factors:
- the number of cigarettes smoked and the level of toxins in them
- whether the cigarette has a filter and the size, type, quality of the filter
- How the tobacco has been prepared and processed.