It is common knowledge that many of the offerings on fast food menus are unhealthy. Learn which fast foods from Burger King, Wendy's, Taco Bell and McDonald's are the very worst options in terms of fat and calories—that is, more than 50 grams of fat and over 900 calories. Complete nutrition information is available on BurgerKing.com, Wendys.com, McDonalds.com and TacoBell.com.

The discussion that follows does not discuss every single one of the bad food options available at fast food restaurants, but it does call out the very worst of the fast food pickings.

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