[fizzbar]

He's commenting on the fact that large populations of humanity (pretty much all of Asia and Oceania) subsist on high carb diets -- lots of rice and bananas -- yet don't exhibit massive rates of heart disease etc.

[mixmastamyk]

See glycemic index.

[codex]

White rice contains very little fructose. Bananas have more but not compared to, say, an orange.