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JAPAN - MARCH 10: A diabetic man, who declined identification, shows his waist at a gym in Tokyo, Japan, on Monday, March 10, 2008. Japanese waistlines are bulging, triggering legally-required flab tests in the land of sumo. A growing rate of corpulence in Japan has so alarmed the government that everyone over the age of 40 will be required starting April 1 to undergo a check for "Metabolic Syndrome,'' medical jargon for an oversized belly. (Photo by Tomohiro Ohsumi/Bloomberg via Getty Images)

JAPAN - MARCH 10:  A diabetic man, who declined identification, shows his waist at a gym in Tokyo, Japan, on Monday, March 10, 2008. Japanese waistlines are bulging, triggering legally-required flab tests in the land of sumo. A growing rate of corpulence in Japan has so alarmed the government that everyone over the age of 40 will be required starting April 1 to undergo a check for "Metabolic Syndrome,'' medical jargon for an oversized belly.  (Photo by Tomohiro Ohsumi/Bloomberg via Getty Images)