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Author Question: Your younger brother's best friend is a huge risk-taker. Even though he is 15 years old, he has ... (Read 61 times) |
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Illicit drug use costs the United States approximately $181 billion every year.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
If you could remove all of your skin, it would weigh up to 5 pounds.