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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.