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Did you know?
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
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The average office desk has 400 times more bacteria on it than a toilet.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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Green tea is able to stop the scent of garlic or onion from causing bad breath.