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Study Finds Physical Activity Protects Children From Being Overweight In Adolescence

Physical activity helps improve overall health and promotes a healthy weight.

Study Finds Physical Activity Protects Children From Being Overweight In Adolescence

Childhood obesity is one of the common health concerns these days

Obesity in children and adolescents is one of the most significant health-related challenges globally. A recent study has shown that physical activity protects children from the adverse effects of digital media on their weight later in adolescence.

The results of the study were published in the 'Journal of Physical Activity and Health'. The study showed that six hours of leisure-time physical activity per week at the age of 11 reduces the risk of being overweight at 14 years of age associated with heavy use of digital media.

The study carried out by the Folkhalsan Research Center and the University of Helsinki investigated whether a link exists between the digital media use of Finnish school-age children and the risk of being overweight later in adolescence. In addition, the study looked into whether children's physical activity has an effect on this potential link.


The study involved 4,661 children from the Finnish Health in Teens (Fin-HIT) study. The participating children reported how much time they spent on sedentary digital media use and physical activity outside school hours.

The study demonstrated that heavy use of digital media at 11 years of age was associated with a heightened risk of being overweight at 14 years of age in children who reported engaging in under six hours per week of physical activity in their leisure time. In children who reported being physically active for six or more hours per week, such a link was not observed.

The study also took into account other factors potentially impacting obesity, such as childhood eating habits and the amount of sleep, as well as the amount of digital media use and physical activity in adolescence.

In spite of the confounding factors, the protective role of childhood physical activity in the connection between digital media use in childhood and being overweight later in life was successfully confirmed.

"The effect of physical activity on the association between digital media use and being overweight has not been extensively investigated in follow-up studies so far," said Postdoctoral Researcher Elina Engberg.

Further research is needed to determine in more detail how much sedentary digital media use increases the risk of being overweight, and how much physical activity is needed, and at what intensity, to ward off such a risk.

In this study, the amount of physical activity and use of digital media was reported by the children themselves, and the level of their activity was not surveyed, so there is a need for further studies.

"A good rule of thumb is to adhere to the physical activity guidelines for children and adolescents, according to which school-aged children and adolescents should be physically active in a versatile, brisk, and strenuous manner for at least 60 minutes a day in a way that suits the individual, considering their age," said Engberg.


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In addition, excessive and extended sedentary activity should be avoided.

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)

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