The Surgeon General's press conference was disturbing. For the first time associations between cancers other than the lung and cigarette smoking are being made in an emphatic manner.
Cigarette smoke is biologically active.
A. Nicotine is a potent pharmacological agent. Every toxicologist, physiologist, medical doctor and most chemists know that. It is not a secret. B. Cigarette smoke condensate applied to the backs of mice causes tumors. C. Hydrogen cyanide is a potent inhibitor of cytochrome oxidase - a crucial enzyme in the energy metabolism of all cells.