Old beyond years. A 3D model of merged imaging scans shows the brain areas affected by age (blue) in healthy people (left) and longterm cocaine users (right).Credit: Karen Ersche/University of Cambridge

Old beyond years. A 3D model of merged imaging scans shows the brain areas affected by age (blue) in healthy people (left) and longterm cocaine users (right).Credit: Karen Ersche/University of Cambridge
So that explains Freud.
"I DO COCAAAAIIIIIIINE!!" - Dr. Rockso