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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
The longest a person has survived after a heart transplant is 24 years.
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