Mr. R has no past psychiatric history, although there have been new psychosocial stressors in his life recently. Mr. R has used marijuana in the past and experienced paranoia while using this substance.
What investigations would you order? How would you treat this patient?
"Unresponsive and mute after he smokes 'Spice'" by David R Williams, Brian J Miles, Aniket Tatugade, Ranjan Avasthi, and Peter F Buckley (Current Psychiatry).