Drug abuse affects the brain and its functioning as mentioned below:
Drugs are natural or synthesized chemical substances such as nicotine, cocaine, marijuana, and others that affect the brain's “reward” circuit, which is part of the limbic system.
- the reward circuit responds to healthy, pleasurable activities by releasing the neurotransmitter dopamine, which influences the body to the brain to repeat those activities.
- interrupt the balance between the neurotransmitters needed for normal brain functioning.
- The drugs turn on the brain reward system to release dopamine and tricks the body that the drug is good for the body.
- It causes the development of tolerance and dependence.
Thus, drugs affect the brain negatively.
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https://brainly.com/question/16154722
