Which of the following statements is TRUE about dopamine? A. The brain's purpose in releasing dopamine is to naturally discourag
e healthy behaviors. B. The release of dopamine as a result of drug use tricks the brain into believing the drug is good for the body. C. The release of dopamine as a result of drug use promotes normal brain functioning. D. Drug addicts often have a decreased toleration for dopamine after prolonged drug use.
B. The release of dopamine as a result of drug use tricks the brain into believing the drug is good for the body.
Dopamine is the brain's "pleasure" neurotransmitter. It is released during normal pleasurable activities: sex, food, having fun, etc. Most illicit drugs feel pleasurable because they increase the release of dopamine throughout the brain's pleasure centers. This, falsely, feels good and tells the mind and body that it's good for you since it's pleasurable.
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.
