The obesity and metabolic dysfunction epidemic is likely caused by processed foods, calorically dense foods, lack of exercise, and changes in brain neurocircuitry related to hedonic eating.

“What I would say all of the above uh processed foods uh calorically dense foods lack of exercise are critical but these are I would say the stimuli that has done something that's changed the neuros circuitry in the brain so yes there's a stimulus and because now you've been oversubscribed to the stimuli uh that's now initiated a process in the brain which is going to be a self-fulfilling propess”