A recent meta-analysis of randomised controlled trials, published in Lancet Psychiatry, concluded there was little evidence that cannabinoids help treat mental health conditions (Wilson et al, 2026). It got plenty of media coverage, much of which made the classic mistake of treating 'lack of evidence of benefit' as 'evidence of lack of benefit'. They're not the same thing.

There are important differences between individuals aged 65+ years and younger individuals receiving cannabis-based medicinal products. Olde