Why study Zyns? While I was volunteering at a hospital one Saturday morning, a man in his 60s—who was on so many sedatives he could hardly tell me his name—gave me one request: to run to the convenience store across the street and grab a pack of cinnamon Zyns for him. Of course I did not get them for him, but this was just another instance, from students in Bobst Library to 20-somethings in bagel shops, of someone being addicted to nicotine alternatives. So that begs the question: Are Zyns a...