Despite being not physically addictive, marijuana, used on a prolonged basis,
A. reduces the risk of serious mental health problems.
B. has never been proven to be harmful.
C. reduces cognitive efficiency.
D. produces only short-term health risks.
Answer:C
Despite being not physically addictive, marijuana, used on a prolonged basis,
A. reduces the risk of serious mental health problems. B. has never been proven to be harmful. C. reduces cognitive efficiency. D. produces only short-term health risks.