Your statement is wrong too. I watch other variables and consume all the sweets and Coca Cola I want and my weight and health are fine.
If you want to live a long and healthy life make sure you pick your parents well.
Genetics sets the table, what you do with the repast determines ultimately how you will have to manage your weight and exercise to avoid obesity related health issues.
We are all individually unique in our relationship to food. Eat to live—rather than live to eat is sage advice.