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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.