He noted that while marijuana-use rates have fluctuated over several decades, rates of psychiatric illness such as schizophrenia have remained static, providing small basis for promises that marijuana triggers such disorders. ‘Nonetheless, cannabis – – like alcohol – – ought to be regulated and its own use limited by adults appropriately, not because its consumption is innocuous but since it is a mood-altering material that possesses risk potential, particularly for adolescents,’ Armentano added.. Mixed Findings on Pot’s Effect on the Developing Brain: – WEDNESDAY, Aug. 26, 2015 – – Marijuana’s potential influence on brain framework remains a subject of extreme scientific scrutiny, but combined results have emerged from two of the latest studies on this issue.The patients’ responses according to baseline characteristics are shown in Figure 1Figure 1Rates of Sustained Virologic Response According to Subgroup., and in Desk S2 in the Supplementary Appendix. The rates of sustained virologic response in prespecified subgroups across the three treatment organizations were generally comparable to those seen in the overall population. The fibrosis score had no discernible effect on the price of sustained virologic response at post-treatment week 12 . Among the 647 sufferers treated, no affected person had virologic breakthrough during study treatment.