Why does a potato chip have 20 ingredients?

Next time you reach for that bag of chips, you might be surprised by the very long list of ingredients on the bag. Chris van Tulleken, associate professor at University College London and a practicing infectious diseases doctor, joins host Krys Boyd to discuss ultra-processed foods and how their manufacturers create products designed for profit over people. His book is “Ultra-Processed People: The Science Behind the Food That Isn’t Food.”