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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.