Lard

According to the Economist Shanghai is now home to China's fattest children. A recent survey revealed that of Shanghai’s 8m+ schoolchildren, 15% of the boys and 9.2% of the girls are obese. Both figures were about four percentage points higher than the national averages.

Presumably the combination of a rapidly increasing Fast Food Culture combined with Little Emperor Syndrome
is going to conspire to create a nation of incapable and unhealthy adults.