2. Fast Food French Fries
A medium dish of French fries contains 19 grams of fat and 270 mg of sodium. French fries are a serious contender for the most unhealthy foods that people eat regularly. If you wanted to make a person tired and lethargic, overweight and at a greater risk of serious healthproblems like diabetes and heart disease, you'd be hard-pressed to come up with a better junk food than french fries.