Regarding recent evidence on the active ingredient in marijuana, which of the following is a FALSE statement about THC?

a. THC receptors have been found in the brain areas involved in the control of skilled movement.
b. THC accumulates in the fatty tissues of the reproductive organs.
c. THC receptor sites are found in large numbers in the prefrontal cortex, which is the seat of human consciousness.
d. THC and naturally-occurring chemicals similar to it have not been shown to help the brain to cope with pain or stress.

ANSWER: d