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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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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.