Dr. Jerry Krishnan, director of the Asthma and COPD Center at the University of Chicago Medical Center, talks about currently available medical methods for smoking cessation, including nicotine replacement and medication, as well as the health benefits of quitting or reducing smoking for preventing or treating conditions such as heart disease or COPD. This video is part of a recurring feature on the ScienceLife blog where a University of Chicago Medical Center expert will address – in a …