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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The human body produces and destroys 15 million blood cells every second.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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.