What Effect Will Vaping Have on Smoking Trends?

What percentage of Americans are vaping, and how does this figure compare with the percentage who smoke cigarettes? How will this new technology affect trends on smoking in the U.S.? Dr. Kenneth Warner, Avedis Donabedian Distinguished University Professor Emeritus at the University of Michigan School of Public Health, joins the podcast to explain vaping and what effect -- good or bad -- this new habit could have on the health of Americans. Later, some Americans say "nothing" is going well in the country -- listen to find out what percentage?