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Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

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.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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REM Sleep REM Sleep
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

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