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uses animations and videoclips of experts to reveal what is known about cancer. Learn about kinds of cancer, how they start (cell mutations), and their distribution worldwide. Explore cancer related factors-smoking, inheritance, diet, and others. Find out about diagnosis and treatment. See animations of key concepts; hear experts explain them. (National Center for Research Resources, National Institutes of Health)
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About 163,000 Americans die each year from lung cancer. This is greater than deaths caused by the next four cancers combined. With each puff, a cigarette smoker inhales over 60 known or suspected cancer-causing agents (carcinogens)—including polyaromatic hydrocarbons (PAHs), nitrosamines, and heavy metals. |
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Invading tissue |
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