Almost all foods contain some fat. Even a carrot has tiny amount of fat.
Saturated fats are the ones that increase the risk of heart disease.
PUFA and MFA fats are liquid at room temperature, while SFA fat is solid. Another type of fat is hydrogenated fat . This is a polyunsaturated fat that has been processed so that it will be hard at room temperature. Hydrogenated fat also appears to increase the risk of heart disease. Margarine and shortening contain hydrogenated fat.