Study links obesity to unhealthy early childhood behaviour

New research has found that it is generally a combination of unhealthy behaviours among youth that could be the greatest predictors of whether or not young people will experience obesity issues in adulthood.

Health authorities and parents will need to focus on more than eating habits if they are going to combat the obesity epidemic. As it’s not only junk food, but a combination of unhealthy behaviours like sedentary lifestyle in teenagers that increases the risk of being overweight in adulthood, say researchers in a new study.

Intervening and modifying unhealthy behaviours earlier might have a greater impact than during adolescence. (Shutterstock)

The study found that the calorie intake among adolescents has not changed, but habits such as exercising, smoking, drug use and alcohol consumption have increased over time.

Therefore, it is important to target these risky behaviours together, and early, before they become habits.

“Adolescents with obesity often maintain their weight status into adulthood, increasing their risk of developing cardiovascular disease, diabetes, and high blood pressure,” said Rachel Laxer, doctoral student at the University of Waterloo in Ontario, Canada.

“Public health practitioners should be targeting clusters of risky behaviours using a comprehensive and multi-pronged approach,” Laxer added.

For the study, published in Plos One, the research team included school students between 13 to 17 years of age, in grades nine and ten.

Based on their reported behaviour, the teenagers were classified as typical high school athletes, inactive high screen-users (“screenagers”), moderately active substance users, or health conscious.

The results noted that although the four groups saw similar increases to their weight status over the years that they were followed, students in the health conscious group had the healthiest body weight at the beginning of the study.

“Intervening and modifying unhealthy behaviours earlier might have a greater impact than during adolescence. Health promotion strategies targeting higher risk youth as they enter secondary school might be the best way to prevent or delay the onset of obesity, and might have better public health outcomes over the longer term,” Laxer said.

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