A placebo is:
A. a type of pain killer.
B. a form of local anaesthetic.
C. a form of mild stimulant.
D. an inactive drug or treatment.
E. a sedative.
A placebo is:
A. a type of pain killer.
B. a form of local anaesthetic.
C. a form of mild stimulant.
D. an inactive drug or treatment.
E. a sedative.