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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.