How Stress Works answers the important questions and busts common myths. Did you know that low-carb diets can increase cortisol levels, as can HIIT exercise, causing insulin and glucose surges? Or that stress hormones can affect fertility for all genders? Mackenzie and Walker dive into society and stress, considering if the higher rate of type two diabetes in disadvantaged communities is entirely due to lack of healthy food and exercise – or is the stress of poverty itself a major factor?Â