7) minerals, minerals such as potassium, calcium, cadmium, copper, nickel, chromium found in tobacco smoke, these elements are residues in tobacco. The substances that cause toxic effects on the body, especially when dealing with nickel react with other chemicals. It is a toxic substance that can cause cancer, the compounds found in tobacco smoke can harm the body in many other species, such as arsenic, mercury nitrosamines have. Of formic aldehyde.
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