RT Journal Article SR Electronic T1 MDs seen as key players in move to encourage active living in Canada JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1605 OP 1608 VO 156 IS 11 A1 N. Baer YR 1997 UL http://www.cmaj.ca/content/156/11/1605.abstract AB Despite participACTION's preaching about the need to stay physically active, only a small percentage of Canadians exercise regularly at the level recommended for fitness. Nicole Baer discusses the issue with physicians and experts in the field, and also looks at American efforts to introduce Physician-based Assessment and Counselling for Exercise.