We know that nearly 90 percent of tobacco users started smoking before the age of 18 years, and that tobacco use is the No
Memberships: Dr Safa holds professional memberships with the American Society of Metabolic and Bariatric Surgery, Canadian Association of Bariatric Physicians and Surgeons, Canadian Association of General Surgeons, Canadian Medical Association, Canadian Association for Surgical Oncology, Quebec Medical Association, Trauma Association of Canada, Association Quebecoise de Chirurgie, International College of Surgeon, and the College des Medecins du Quebec.
He writes the blog Tobacco Analysis, and he tweets @MBSiegel
Tobacco Control, 24 (Suppl 2), ii17ii25
Smoking is becoming more popular than ever
Tobacco retailer license