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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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There are approximately 3 million unintended pregnancies in the United States each year.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.