I am sure there is a genetic component to it as well, but my observations from being Indian, living in India for more than 2 decades, and having a large group o

I am sure there is a genetic component to it as well, but my observations from being Indian, living in India for more than 2 decades, and having a large group of Indian friends tell me that Indians consume a high (and quickly growing) proportion of their diet as carbs. Worse - most of the carb calories seem to come from fried carbs, or sugar rich sweets. This is separate from the "westernized" fast food for which India is one of the fastest growing markets.