4 foods a top nutrition expert avoids at all costs, and one sweet treat he eats regularly

happy african american man holding plate of chips and eating snacks from potatoes on yellow isolated background, guy in white t-shirt eats fast food (Credit: Getty Images)

Tim Spector admits he used to have a Pringles problem. The salty, melt-in-your-mouth snack was a weak spot for the professor of genetic epidemiology at King’s College London and gut health expert.

“I could taste the chemicals on them,” he tells Fortune, “but at the same time there was something that made me addicted to eating them.”