Young people under 25 would find it more difficult to losing weight than their parents.
To arrive at these results, scientists analyzed data from 364,000 adults collected by a national health survey conducted between 1971 and 2008.
The diets of different generations were compared by the study. People who ate the same amount of food in 2008 weighed on average 10% more than people in 1971.
These changes could explain the increase in obesity rate worldwide, according to researchers at York University in Toronto (Canada).
“The results of our study suggest that at 25, we should eat less and exercise more than those who are older to avoid gaining weight,” said Professor Jennifer Kuk, one of the authors of the ‘study.
Their results contradict the idea that weight control depends only on diet and exercise. Researchers suggest that other factors must also play an important role in an individual’s weight.
She added that there are many factors that are thought to have an impact on weight: medication intake, environmental pollutants, genetic, meal times, stress and gut bacteria, and even exposure to light at night.
“Finally, maintaining a healthy weight is now more difficult than ever,” she concluded.
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