Answer:
OA specialist who studies behavior and emotions, but can't prescribe medication
Explanation:
They can only prescribe meds if they have medical training to
At least 8 glasses/cups of water
Very helpful in the long run. However it could be harmful to some animals
They would be called doctors.
The item from this list which isn't considered a stimulant would be alcohol - a. It is considered to be a depressant. All the other items - nicotine, caffeine, and cocaine have stimulating effects which are known to their useres, while alcohol doesn't have an stimulating effect generally.
