The FINANCIAL -- Adult and adolescent cannabis users are no more likely than non-users to lack motivation or be unable to enjoy life’s pleasure, new research has shown, suggesting there is no scientific basis for the stereotype often portrayed in the media according to University of Cambridge.Cannabis users also show no difference in motivation for rewards,The FINANCIAL -- Adult and adolescent cannabis users are no more likely than non-users to lack motivation or be unable to enjoy life’s pleasure, new research has shown, suggesting there is no scientific basis for the stereotype often portrayed in the media according to University of Cambridge.Cannabis users also show no difference in motivation for rewards, » The FINANCIAL Health&Beauty