Studies Conducted on Cannabis Users in Jamaica, Greece, and Costa

Studies conducted on cannabis users in Jamaica, Greece, and Costa Rica, where cannabis use is quite extensive, noted

A) considerable adverse consequences of cannabis use that dissipated when drug use stopped
B) considerable adverse consequences of cannabis use that remained even when drug use stopped
C) that there were minimal adverse consequences of cannabis use
D) that very uncomfortable withdrawal symptoms occurred when the users abruptly stopped using cannabis