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Cyanide works by making the human body unable to use oxygen.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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