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40 McDonald’s

 Being an international food chain doesn’t guarantee excellence. The burgers at McDonald’s received the lowest ranking in terms of the quality and freshness of their ingredients in a recent survey.

While low on quality, they are immensely high in calories and there is now little doubt that the obesity epidemic in the US is due in part to the omnipresence of McDonald’s restaurants. Yes, the classic of classics on the fast-food market is actually bottom-of-the-scale stuff.