Purdue Pharma given free reign in Canada as it is sanctioned in the United States

 By Nav Persaud and Andrew S. Boozary Purdue Pharma recently announced that it will stop advertising opioids to doctors in the United States after pleading guilty to misleading marketing more than a decade ago. This is a major, albeit belated, departure from the company’s playbook of marketing opioids aggressively to physicians. A