WHAT IF?

WHAT IF?: Effects of cannabis drove Matthew Leahy insane then killed him | Mail Online: Matthew was a bright young boy who excelled at maths and science
But he started smoking cannabis and the 'harmless' drug took its toll
He began having hallucinations and became incredibly paranoid
Matthew's erratic behaviour turned violent, he started speaking of suicide
His parents put him in hospital but once there he tragically hanged himself

Matthew's doctors believe his suicide was triggered by smoking cannabis?