The prevalence of overweight and obesity have risen sharply in recent decades among both children and adults. But in developed countries, the trend started to level off, according to a major new analysis in the journal Lancet.
It is the researcher behind the giant Global Burden of Disease Study 2010, which made a deep dive into how the body mass measure of BMI has changed in different countries for the past 33 years.
When the researchers compared the global figures for the years 1980 and 2013, they found, not unexpectedly, that the percentage of overweight or obese had increased from around 29 percent to around 37 percent.
Even among children and adolescents showed an increase, mainly in the developed world where the numbers have risen from 17 to 24 percent among boys and 16 to 23 percent among girls. Sweden stands out, however, with relatively low numbers. "Only" 4 percent of children and adolescents were obese this year 2013.
Globally seen the largest increase in the proportion of overweight and obese between 1992 and 2002, mainly in the age group 20 to 40 years. In the developed world, the researchers find that the development seems to have stalled since the last eight years.
A country that stood out particularly in the statistics were Tonga, where more than 50 percent of the men and women were obese in 2013.
According to the researchers, the analysis shows that the urgent need for global leadership to slow the progression, particularly in low and middle income countries. It involves efforts to reduce excessive calorie intake, physical inactivity and marketing industry.
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