An American-style diet will bring that as well. However, China's system is well positioned to avoid the subsidies which caused the American obesity disaster.

China also has farm subsidies -- and like the US not always for the most healthy of foods. (http://online.wsj.com/article/SB1000142405274870371690457613...) However, your point still stands because I'm not sure (and doubt) they subsidize corn to the extent the US does.

He may be referring to the claim that greater consumption of animal proteins, not fat, leads to higher incidence of cancer, heart disease, etc. It's a controversial claim, of course.