Causes, Smoking: Killers in smoke

In this section the suspected cancer-causing agents (carcinogens) - including polyaromatic hydrocarbons (PAHs), nitrosamines, and heavy metals found in cigarettes will be introduced.

Educational standards - statements

Gene mutation in a cell can result in uncontrolled division called cancer. Exposure of cells to certain chemicals and radiation increases mutations and thus the chance of cancer.| AAAS#5C/H6
Toxic substances, some dietary habits, and some personal behavior may be bad for one's health. Some effects show up right away, others years later. Avoiding toxic substances, such as tobacco, and changing dietary habits increase the chance of living longer.| AAAS#6E/M2
Many diseases can be prevented, controlled, or cured. Some diseases, such as cancer, result from specific body dysfunctions and cannot be transmitted.| NSES#F 1.2
[Students] can consider personal and social consequences of individual choices in health (sexual activity, immunization)| AAAS#7D
Personal choice concerning fitness and health involves multiple factors. Personal goals, peer and social pressures, ethnic and religious beliefs, and understanding of biological consequences can all influence decisions about health practices.| NSES#F 1.3