A new clinical trial in Ottawa asks: Can e-cigarettes help the homeless quit smoking?

An Ottawa doctor is about to launch a clinical trial aimed at finding out whether e-cigarettes can help homeless people quit smoking.
Dr. Smita Pakhalé, a research scientist and staff respirologist at The Ottawa Hospital, is principal investigator of the study, which received a $100,000 grant earlier this year from the Canadian Institutes of Health Research.
It will enroll 200 homeless people in Ottawa and Toronto in a randomized controlled trial with two research arms.
One group of parti