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Changing patterns of behavior, driven by the advent of fast food and cheap food, are widely to blame for the obesity pandemic, according to Japanese researchers.

据日本研究员的理论，受到快餐食品和便宜食品出现影响而改变的行为方式，被广泛地指责为流行性肥胖的罪魁祸首。

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Real 'learning' would have resulted in a large-scale positive change in behavior, and of course, decline in obesity levels.

真正的“学习”将会导致行为上大幅度的积极改变，当然也会降低肥胖程度，虽然目前还没有任何作用。

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She said the proposal is a way to reward good behavior and raise awareness that certain conditions, including obesity, raise costs throughout the system.

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