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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.