Are there different categories of fats and what are they?
Polyunsaturated which is a good fat that is found in oils, fish and plants. Saturated fat this is bad fat often found in animal food and processed food.
Even though fats seem bad and have a bad reputation for weight gain some fats are essential for survival According to the Dietary Reference Intakes published by the USDA 20% - 35% of calories should come from fat. We need this amount of fat for:
Normal growth and development Energy (fat is the most concentrated source of energy) Absorbing certain vitamins ( like vitamins A, D, E, K, and carotenoids) Providing cushioning for the organs Maintaining cell membranes Providing taste, consistency, and stability to foods.