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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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Illicit drug use costs the United States approximately $181 billion every year.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.