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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.