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Author Question: A 15-year-old freshman has been referred to the school psychologist by her father. The concerns ... (Read 50 times) |
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
If you could remove all of your skin, it would weigh up to 5 pounds.
The FDA recognizes 118 routes of administration.
Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.
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).