How much does smoking affect your lifespan?

1: Smoking has many problems, not just the nicotene and tar. The paper has heavy metal toxins including arsenic, cyanide and cadmium. But the major problem is the carbon monoxide ingestion. This problem causes inadequate oxygenation of our tissues. So therefore, it increases the risk of every disease and cancer secondary to our tissues not repairing correctly.

How much smoke: If you smoke 1 pack per day for long time your life span is more than 10 year shorter.