When you grow 75 years old - you will have cardiac problems and Americans live a little longer than that. Do some studies on cardiac issues and then comment.
Bengalis do not eat enough non-veg everyday due to poverty - maybe a small piece of bony fish everyday. And so also Bangladeshis. A good example of sporting prowess of non-vegetarians are the keralites....but still not good compared to other countries which have similar race but better diet than us.