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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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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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Vaccines prevent between 2.5 and 4 million deaths every year.
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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.