The Telegraph reports:
A few years ago, if you were to tell most people suffering from a serious mental health problem that their ills could be cured with a spot of Class A drugs, they might think you’ve, well, taken something.
Aided by a slew of recent scientific studies, however, the perception of many illegal substances – from LSD to ecstasy – as having no medicinal benefit is beginning to change. Earlier this month, for instance, US researchers found that ketamine might reduce rates of depression.