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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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People about to have surgery must tell their health care providers about all supplements they take.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.