Scientists from the University of Jyväskylä (JYU) found that insufficient physical activity leads to increased cardiovascular risk not only in adults but also in teenagers as young as 19 years old. The study was published on: Scandinavian Journal of Sports Medicine and Science.
The researchers used data from activity tracking devices and blood samples from 250 teenagers. Participants were recruited from sports clubs and schools in six major cities in different regions of Finland. The data was collected once in 2013-2014, when teens were 15, and once in 2017-2018, when they were 19.
Researchers compared the health of teens who maintained or increased physical activity with teens who maintained relatively low levels of physical activity throughout adolescence.
The decrease in mobility from moderate to low levels led to increased concentration of the hormone insulin (which plays a role in controlling blood sugar levels) and also to weight gain. Those who reduced their physical activity from vigorous to moderate levels experienced an increase in fasting blood sugar levels and a decrease in “good” cholesterol (HDL) levels.
“On average, blood counts were within reference values for all young people, including those with low activity. Therefore, the results of the blood test do not cause much concern. However, research clearly shows that physical activity is important for health starting from adolescence. “Considering previous studies, it is known that lifestyle-related diseases such as type 2 diabetes are more common in sedentary people in the long term,” said Tuula Aira, PhD researcher at the Faculty of Sports and Health Sciences.
The results mean that changes in physical activity are reflected in cardiovascular risk factors from adolescence onwards.
Data were adjusted for gender, smoking and dietary habits (fruit and vegetable consumption). This means that the observed differences and changes in risk factors between physical activity groups are independent of other factors examined.
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Source: Gazeta
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