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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 U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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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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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.