Prospective epidemiological studies indicate that regular exercise during the year prior to conception reduces preeclampsia risk, whereas exercise during affects pregnancy reduces preeclampsia risk only at specific dosages, ...

The objectives of this thesis were to examine the relationship between the built environment and obesity-related behaviours in Canadian youth, and to address measurement issues relevant for studying these relationships. ...

Background: Street connectivity, an important aspect of the built environment, refers to the directness of links and the density of connections in road networks. Street connectivity of youth’s neighborhoods may impact ...

Background: A beneficial effect of physical activity on the risk of cancer at several sites has been consistently observed. Biologic mechanisms that may underlie this relationship are not well understood. A potential ...

In the last two decades, research has established a negative association between involvement in bullying and emotional health difficulties. Few studies, in comparison, explore the relationship between bullying and ...

The main purpose of this study was to explore the influence of social support and self-efficacy on the physical activity beliefs and behaviours of participants in a peer-mentoring intervention embedded in a community-based ...

Background: Shift work is associated with increased risk of cardiovascular disease and cancer, where decreased melatonin has been proposed as an intermediate in the causal pathway. The influence of physical activity on ...

There is currently a dearth of information suitable for the development of evidence-based physical activity and screen time guidelines for children and youth. The overarching purpose of this thesis was to generate findings ...

BACKGROUND: The prevalence and burden of cardiovascular disease (CVD) is a concern. While CVD events will occur later in a woman’s life, modifiable risk factors for CVD occur earlier during adult years. While, there is ...

BACKGROUND: Telomeres are repetitive DNA sequences and associated proteins that cap the ends of chromosomes. Functional telomeres protect genetic information and maintain chromosomal stability. Critically short telomeres ...