| http://www.w3.org/ns/prov#value | - A key reason smoking is so addictive is because cigarettes contain nicotine ??? about 1 milligram per cigarette ??? and that???s regardless of the brand or kind, such as menthol or low tar, says Daniel Seidman, PhD, a psychotherapist at Columbia University in New York City and author of Smoke-Free in 30 Days.
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