How do lifestyle factors influence breast cancer prognosis? In a review article published in the CMAJ, Dr. Ellen Warner and Ms. Julia Hamer identify which lifestyle changes can be recommended to patients as an adjunct to standard breast cancer treatments, to reduce their risk of distant recurrence and death.Dr. Warner is a medical oncologist at the Odette Cancer Centre at Sunnybrook Health Sciences Centre and professor of medicine at the University of Toronto. Ms. Hamer is a Master of Medical Science student and lecturer at the University of Toronto. Full review article: www.cmaj.ca/lookup/doi/10.1503/cmaj.160464Podcast transcript: https://www.cmaj.ca/transcript-160464Subscribe to CMAJ Podcasts on Apple Podcasts or your favourite podcast app. You can also follow us directly on our SoundCloud page or you can visit www.cmaj.ca/page/multimedia/podcasts.