Explore IDNLearn.com's extensive Q&A database and find the answers you're looking for. Get prompt and accurate answers to your questions from our community of knowledgeable experts.

methamphetamines are a type of drug that affects the brain by A. causing the release of excess dopamine. B. blocking the production of dopamine. C. increasing the number of dopamine receptors. D. increasing the number of synapses in the brain.