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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Cyanide works by making the human body unable to use oxygen.