For a diabetic person with high cholesterol, French fries is the last thing you should think of eating. The potatoes alone has more than enough carbs in them and the moment they are dipped into vegetable oil it becomes extreme. Deep frying the potatoes produces high amounts of toxic compounds which increases your chances of having heart diseases. French fries has sometimes been linked with cancer. Avoid French fries as much as possible. Instead of eating French fries just take some sweet potatoes.