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There are 20 feet of blood vessels in each square inch of human skin.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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.
Blood is approximately twice as thick as water because of the cells and other components found in it.