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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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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Vaccines prevent between 2.5 and 4 million deaths every year.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.