‘Routine use of medicinal cannabis could be doing more harm than good’

No evidence to suggest medicinal cannabis is effective for depression, anxiety or PTSD, new research finds A landmark Lancet paper – the largest-ever review of the safety and efficacy of cannabinoids across a range of mental health conditions – has found no evidence that medicinal cannabis is effective in treating anxiety, depression or post-traumatic stress disorder (PTSD).  The study comes amid findings that 27% of people aged 16–65 in the