by Clare Collins, Erin Clarke, Rebecca Williams, The Conversation Credit: Shutterstock In the 1970s, low-carb diets were all the rage. The Dr. Atkin’s Diet Revolution book claimed carbohydrate restriction was a “high calorie way to stay thin forever.” Carbohydrates are found in breads, cereals and other grains, fruit, vegetables and milk. They’re also in ultra-processed fast foods, cakes, chips...