Some drugs combat obesity or alcohol addiction by turning off pleasure centers in the brain. however, if the dosage is too high, there’s a risk that people taking them will be plunged into depression. the statements above, if true, support which one of the following assertions?
a. it is useless to try to treat obesity or alcohol addiction through drugs.
b. all drugs, if taken at too high a dosage, pose the risk that the people taking them will be plunged into depression.
c. the benefits of a medication may be at least somewhat offset by its side effects.
d. drugs that affect pleasure centers in the brain are often taken at dosages considered to be too high.