Healthline Though it's known that smoking can cause cancer, and not just lung cancer, researchers have published a new study revealing chemicals from cigarette smoke that “reprogram the immune system” and assist in tumor growth. Asfar Azmi, Ph.D., scientist, director of the Pancreatic Cancer Research Initiative and member of the Molecular Therapeutics Research Program at Karmanos, and Najeeb Al Hallak, M.D., MS , medical oncologist and co-leader of the Gastrointestinal and Neuroendocrine Oncology Multid...