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Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.
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The horizontal fraction bar was introduced by the Arabs.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.