Marijuana Costs You More Than You Think / Anti-Marijuana PSA Video

drug in the past year (most often marijuana) (SAMHSA 1998). Although it is not yet known how the use of marijuana relates to mental illness, some scientists maintain that regular marijuana use can lead to chronic anxiety, personality disturbances, and depression (NIDA 1995). Some frequent long-term marijuana users show signs of lack of motivation and tend to perform poorly in school (Pope 1996). A recent study demonstrated similarities between marijuana's effect on the brain and those ...

» View the original video «

YouTube | July 3, 2009

Tags:. .nida. .anxiety. .chronic. .psa. .marijuana