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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.