This review proposes that physical inactivity could be considered a behavior selected by
evolution for resting, and also selected to be reinforcing in life-threatening situations in …

Chronic diseases are major killers in the modern era. Physical inactivity is a primary cause
of most chronic diseases. The initial third of the article considers: activity and prevention …

Background Mental illness is a worldwide public health concern. In the UK, there is a high
prevalence of mental illness and poor mental wellbeing among young people. The aim of …

Context Given its high prevalence and impact on quality of life, more research is needed in
identifying factors that may prevent depression. This review examined whether physical …

Objective To test the independent and interactive associations of physical activity (PA) and
screen time (ST) with self-reported mental health and sleep quality among Chinese college …

Mood disorders have been recognized by the World Health Organization (WHO) as the
leading cause of disability worldwide. Notwithstanding the established efficacy of …

OBJECTIVE: Our objective was to synthesize observational studies examining the
association of physical activity in childhood and adolescence with depression. DATA …

CONTEXT: Interest has increased in examining the physical activity levels of young people
during school recess. Identifying correlates of their recess physical activity behaviors is …

Objectives Adolescent mental disorders remain a relatively neglected area of research,
despite evidence that these conditions affect youth disproportionately. We examined …

Study objectives The objectives of the study were to investigate the effects of 36 h of sleep
deprivation on the discrete mood states of anger, depression, anxiety, confusion, fatigue …