Learn about the science and economics behind snack foods with Michael Moss, author of Salt Sugar Fat: How the Food Giants Hooked Us, on this week's edition of What Doesn't Kill You. Katy Keiffer chats with Michael about the origins of sugary, salty snacks in Kellogg's.

Michael Moss has pulled back the curtain on the food industry and exposed some mind numbing horrible practices being imposed on consumers today. In Salt Sugar Fat, Pulitzer Prize-winning investigative reporter Michael Moss shows how we got here.