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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.