Regulatory approval could come 'potentially within a few years' time'
                                
                                
                                    (Newser) -
                                    One or two doses of psilocybin, the active ingredient in magic mushrooms, has been found to help people with  cancer ,  alcohol problems ,  anxiety, and depression , and now those with a severe, treatment-resistant form of depression, according to researchers. A phase 2 randomized, double-blind clinical trial involving 233 people with treatment-resistant...