[philman_36]

The Okayama report confirms the results of a 1987 study conducted in Sweden in which higher incidents of schizophrenia were discovered among army conscripts who had used marijuana.
If the report confirms something there is no need for "further research".
Spinning for Dollars!

[not-an-ostrich]

Research on drugs and mental illness is like layers of an onion. Calls for further study doesn't negate studies already done. Just means more to be discovered.