CONTEXT: To systematically review and provide an informative synthesis of findings from
longitudinal studies published since 1996 reporting on relationships between self-reported …

Accumulating evidence suggests that, independent of physical activity levels, sedentary
behaviours are associated with increased risk of cardio-metabolic disease, all-cause …

Leaders from the Canadian Society for Exercise Physiology convened representatives of
national organizations, content experts, methodologists, stakeholders, and end-users who …

Importance Excessive screen time is associated with delays in development; however, it is
unclear if greater screen time predicts lower performance scores on developmental …

Importance There is considerable public and scientific debate as to whether screen use
helps or hinders early child development, particularly the development of language skills …

Obesity is one of the best-documented outcomes of screen media exposure. Many
observational studies find relationships between screen media exposure and increased …

The prevalence and severity of obesity have increased in recent years, likely the result of
complex interactions between genes, dietary intake, physical activity, and the environment …

Physical activity in adolescence may contribute to the development of healthy adult
lifestyles, hel** reduce chronic disease incidence. However, definition of the optimal …

CONTEXT: Sedentary behavior is implicated in youth and adult overweight and obesity.
However, the relationship between sedentary behavior and weight status is often small or …

Media, from television to the “new media”(including cell phones, iPads, and social media),
are a dominant force in children's lives. Although television is still the predominant medium …