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PARIS (AFP) – A "tsunami of obesity" is unfurling crossways the world, resulting in a near-doubling of the drawing of dangerously fleshiness adults since 1980, doctors warned on Friday.

More than half a 1000000000 men and women -- nearly digit in figure of all adults -- are clinically obese, according to research by a aggroup from Imperial College London, Harvard and the World Health Organisation (WHO).

In 2008, the latest year for which statistics were available, nearly digit woman in heptad and digit Negro in 10 were obese, it found.

Being likewise fat causes threesome million premature deaths each year from hunch disease, diabetes, cancers and another disorders, according to the WHO.

The researchers described the tableau as "a accumulation emergency."

"(It) will outlay tens of millions of preventable deaths unless fast and widespread actions are condemned by governments and health-care systems worldwide," said the report, publicised by The Lancet.

The difficulty has been most current in rich nations, ascension most in the United States, followed by New Zealand and Australia for women, and kingdom and Australia for men.

But many nonindustrial countries, especially in the Middle East and in apace urbanising areas, are catching up.

"These results suggest that fleshiness affects one-in-three adults and blubber affects one-in-nine adults -- a tsunami of blubber that will yet change all regions of the world," Sonia Anand and Salim Yusuf of Canada's historiographer University wrote in a statement accompanying the study.

Global blubber rates more than multiple for men, from 4.8 percent of phallic adults in 1980 to 9.8 percent in 2008. For women, the corresponding jump was from 7.9 to 13.8 percent.

The standard for assessing weight is the body-mass finger (BMI), in which one's weight in kilos is divided by the square of one's peak in metres.

A BMI of 25 to 30 corresponds to being overweight, patch above 30 is obese.

Pacific islanders weighed in with the maximal BMI levels, between 34 and 35, and notched up among the sharpest increases over the terminal threesome decades as well.

In Europe, women in country and Moldova were at the upper modify of the bit with BMIs of 27.2 and 27.1, patch the heftiest men on the chaste resided in the Slavonic Republic and Ireland.

At the another modify of the spectrum, land women were the most svelte, with their land and dweller counterparts vying for second place.

Italy holds the secernment of being the only country in aggregation where women's cipher BMI declined, descending from 25.2 to 24.8.

The think also reportable changes in murder pressure and cholesterin levels crossways nations.

Western dweller countries -- especially Iceland, Andorra and Germany -- hit among the maximal cholesterin levels in the world, patch individual nations hit the lowest.

Systolic murder pressure -- the peak pressure exerted by the hunch -- is maximal in the Baltic, and in East and West Africa.

The aforementioned levels were ordinary in wealthy nations a generation ago, but hit dropped dramatically since then, the think showed.

High-income countries hit also seen a drop in cardiovascular diseases since 1980, despite broad levels of obesity.

The United States in particular saw reductions in broad murder pressure and cholesterin levels as well as a delay in tobacco use, according to the study.

This suggests that style choices -- including limiting state of animal products and sodium, and crescendo fleshly state -- crapper endeavor a key persona in slashing hunch disease.

Although commonly considered a "Western" problem, blubber is also growing in unexpected regions same the Middle East, where the cipher weight levels in several populations fall meet shy of the benchmark for obesity.

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