Marianne Clark

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BACKGROUND ParticipACTION was a pervasive communication campaign that promoted physical activity in the Canadian population for three decades. According to McGuire's hierarchy-of-effects model (HOEM), this campaign should influence physical activity through intermediate mediators such as beliefs and intention. Also, when such media campaigns occur,(More)
BACKGROUND Minimizing sedentary behavior, in particular screen-based sedentary behavior, during the early years is important for healthy growth and development. Consequently, new Canadian Sedentary Behaviour Guidelines for the Early Years (aged 0-4 years) were recently released. Researchers are unclear what messages should supplement the guidelines when(More)
OBJECTIVE To examine the nature of media coverage of vitamin D in relation to its role in health and the need for supplements. DESIGN Media content analysis. SETTING Print articles from elite newspapers in the UK, the USA and Canada. PARTICIPANTS 294 print newspaper articles appearing over 5 years (2009-2014). RESULTS Newspaper coverage of vitamin D(More)
BACKGROUND The pursuit of unproven stem cell-based interventions ("stem cell tourism") is an emerging issue that raises various concerns. Physicians play different roles in this market, many of which engage their legal, ethical and professional obligations. In Canada, physicians are members of a self-regulated profession and their professional regulatory(More)
INTRODUCTION Physical activity is a cost-effective and non-pharmaceutical strategy that can help mitigate the physical and psychological health challenges associated with breast cancer survivorship. However, up to 70% of women breast cancer survivors are not meeting minimum recommended physical activity guidelines. Project MOVE is an innovative approach to(More)
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