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The longest a person has survived after a heart transplant is 24 years.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
If you could remove all of your skin, it would weigh up to 5 pounds.
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