Could repurposing drugs alleviate mental illness?

Psychiatrists have made an intriguing discovery about a medication used to treat heart disease

Prescribing off-label is well-entrenched in clinical practice — think atypical anti­psychotics for insomnia and antidepressants for back pain.

While authorities may frown on this practice, there’s no argument that both experimentation and serendipitous observations have, in some cases, advanced medicine.