Cheesecake Park Experiment
Johann discusses the alarming rise in obesity rates, linking it to the shift from whole foods to processed and ultra-processed diets. Through an intriguing experiment with rats, he illustrates how exposure to unhealthy food alters their eating behaviors, leading to overeating and a rejection of natural foods. This phenomenon highlights a broader societal issue where many now live in an environment that makes it increasingly difficult to maintain a healthy weight.In this clip
From this podcast

Rich Roll
OZEMPIC EXPERT WARNING: 12 Risks You Need To Know | Johann Hari x Rich Roll
Related Questions
Why are Americans so overweight?
Is obesity mainly a choice if you compare humans during tribal times to humans now, considering that they both have the same genes and there are more overweight people now?
What do ultra-processed foods lead to obesity in the episode How to lose weight and the clip Evolutionary Diet Insights?