<span>Fats are essential to your health, but you should know the difference between good fats and bad fats. Bad fats are fats that come from animal products and are called saturated fats. Saturated fats trigger cholesterol production in your body and can lead to high cholesterol and other forms of heart disease, according to the University of Maryland Medical Center. other fats are essential to your body so you should consume them, in moderation.