Even relatively clean-living Singaporeans who regularly eat burgers, fries and other staples of US-style fast food are at a raised risk of diabetes and more likely than their peers to die of heart disease, according to an international study.

But Asian fast foods, such as noodles or dumplings, did not bear the same risk, the study published in the journal Circulation said.

With globalization, US-style fast food has become commonplace in East and Southeast Asia. The study looked at more than 60,000 Singaporeans of Chinese descent.

"Many cultures welcome (Western fast food) because it's a sign they're developing their economics," said Andrew Odegaard, from the University of Minnesota School of Public Health, who led the study.

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