How does the chemical structure of unsaturated fats differ from that of saturated fats, and what specific characteristic sets them apart in terms of their impact on health?

Unsaturated fats have double bonds in their chemical structure, while saturated fats do not. This difference affects their impact on health because unsaturated fats are generally considered healthier than saturated fats. Unsaturated fats can help lower bad cholesterol levels and reduce the risk of Heart disease, while saturated fats can raise bad cholesterol levels and increase the risk of heart disease.