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human beings could abide to recede a few pounds .
If the integral human population stepped on a scale , the weight would be 316 million slews , or 632 billion pounds , a new survey ascertain .
Theoverweight peoplein the globe run a total of 16 million scads of extra weight — that ’s the equivalent of 242 million normal - weight people . rotund the great unwashed hold 3.8 million tons of extra weight , the equivalent weight of 56 million normal - weight people .
" Everyone accepts thatpopulation growththreatens world-wide environmental sustainability — our discipline shows that population fatness is also a major scourge , " said bailiwick researcher Ian Roberts , of the London School of Hygiene and Tropical Medicine .
The vim necessary of any species depends not only on the number of individuals in its population , but also on its full mass : the more mass people in the cosmos have , the higher their DOE needs will be , the researchers said .
Roberts and colleagues used 2005 approximation of the world ’s universe in their depth psychology . They also find information about the average body volume index ( BMI ) of mass in each country , and calculated the percentage of the population that is overweight and obese .
The average body stack , globally , was 136 pounds ( 62 kilograms . ) In North America , which has the high average body flock of any continent , the number was 178 pounds ( 80.7 kg ) .
North America has only 6 pct of the world ’s universe , but 34 percent all the human biomass in the world that is due to fleshiness , the researchers said . In contrast , Asia has 61 percentage of the worldly concern ’s population , but only 13 percent of the world ’s biomass due toobesity .
If all country had the same average BMI as the United States , the total human biomass would increase by 63 million slews ( 58 million metric tons ) , equivalent to the weighting of of 473 million people , the researchers said .
The report is publish today ( June 17 ) in the journal BMC Public Health .
fall out it on : The human population consider about 316 million tons .
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