Medically reviewed by Jamie Johnson, RDN Your body needs fat for various functions, including energy production, hormone ...

Trans fat is a type of unsaturated fat that ... oils’ in its ingredients list will have ‘hidden’ trans fats,” Gambino says. “Fast-food companies provide nutrition facts on their websites ...

Certain types of food may help a person to gain weight ... Olive oil is calorie-dense and high in monounsaturated fats, which are a type of unsaturated fat. One tablespoon serving of olive oil ...