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Did you know?
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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There are more bacteria in your mouth than there are people in the world.
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The human body produces and destroys 15 million blood cells every second.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.