Answer:
A doctor may prescribe a drug in spite of a potentially adverse reaction when the need for the intended effects of the drug outweigh the possible adverse effects of a drug.
Explanation:
An example: If a doctor treats a patient with cancer, he/she might use an experimental drug, one whose safety has not yet been established, for immediate impact to say the person's life.
Answer:
Explanation:
Nicotine stimulates the <em><u>reward</u></em> center of the brain by causing it to release <em><u>dopamine and other neurotransmitters.</u></em>