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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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