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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Medication errors are three times higher among children and infants than with adults.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.