When we reach for a packet of potato chips, we all know how it will end: we will probably not leave a crumb. To understand why it is so difficult to resist them, we went to interview producers, but also doctors, scientists, or marketing experts. What are the tricks manufacturers use to make us fall in love with them? Are we right to be afraid of them? Is it possible to give in to them without hurting ourselves? We have tracked down the information, but also the rumors and untruths that circulate about potato chips.