Cancer Prevention (Lung Cancer Edition) A recent conversation with a friend I have not seen in over a year brought sad news about her sister, who was recently diagnosed with lung cancer seemingly out of nowhere. Her sister wasn't a smoker and was considered the family's 'health nut" so to speak. My friend wanted my book on cancer prevention for her sister. They couldn't understand what else she could have done for cancer prevention. So what gives? The lung cancer prevention checklist has often been pretty easy to complete: Don't smoke