text: how can we stop obesity?   people need to be educated a young age about the dangers associated with obesity and what can be done to prevent it.  the two most important things to chage in our lifestyles are diet and exercise.  eat balanced, nutritious meals and control portions so that you don't take in excess calories.  and don't lead a sedentary lifestyle - get regular exercise if you can, or if not that, at least incorporate more physical activity into your everyday routine.