1
a doctor who focuses on brains
2
making you feel interested
3
the chance that something might happen
4
a strong need that someone feels to regularly take some kind of drug
5
to make someone feel determined to do something or enthusiastic about doing it
6
a statement that orders someone to do something and threatens to punish or attack them if they do not
7
a chemical produced in the brain that carries messages from nerve cells to other nerve cells or muscles.
8
something good that happens or that you receive because of something that you have done
