This document discusses different types of fats and their characteristics. It outlines that fats are nutrients found in food that the body uses to build tissues and hormones. There are two main types of fats - unsaturated ("good") fats and saturated ("bad") fats. Unsaturated fats include monounsaturated and polyunsaturated fats. They aid in vitamin absorption, are building blocks for hormones, help insulate nervous tissues, and can help with feeling full. Sources of unsaturated fats include salmon, walnuts, tuna, eggs, and pistachios. In contrast, saturated fats are typically solid at room temperature and occur naturally in animal products and palm and coconut oils. Eating