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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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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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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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.
![Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_39_57_12782069.jpeg)
![Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind](https://biology-forums.com/gallery/47/medium_12359_13_01_13_5_57_10.jpeg)