Vegetable oils
They include sunflower and canola oil, and many salad dressing based on similar vegetable oils. These seed oil, as well as margarine and other products made with them, are cheaper than olive oil because they have a type of inflammatory fat that promotes cancer growth. Unfortunately, we have grown accustomed to frying and using oil every time we cook, and this increases the formation of aldehyde in the body when this unhealthy type of fatty acid interacts with oxygen in high temperatures.