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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
![Pulse oximetry with the sensor probe applied securely, flush with skin, making sure that both sensor](https://biology-forums.com/gallery/47/medium_14755_01_10_12_7_52_54_91982233.jpeg)
![Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_24_33_205762087.jpeg)