National guidelines recommend at least 60 minutes of moderate-to-vigorous physical
activity every day for children and teens, but the majority of young people do not
meet that goal. Spending excessive time engaging in sedentary behaviors, such as
watching TV, playing video games, and other screen time activities, contributes to the
Sedentary behaviors are linked with higher risk for obesity, diabetes, and
other chronic health problems among adults, even among those who are physically
active and have healthy diets.
This review examines trends in sedentary behaviors among youth and
their impact on obesity. It also explores differences in the prevalence of sedentary
behaviors based on age, gender, race, ethnicity, and socioeconomic status.