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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Thyroid conditions may make getting pregnant impossible.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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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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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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