PBS
Pbs Teachers: Scientific American: Superhumans and Bionics: A Heart of Titanium
Explore how to keep your heart healthy by exercising regularly, sticking to a low-fat diet and not smoking. Use mathematics to understand nutritional information about various foods.
National Institute on Drug Abuse
National Institute on Drug Abuse: Facts About Nicotine and Tobacco Products
This article not only discusses nicotine addiction but also includes information on quitting smoking through medication therapy.