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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

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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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