In nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such compounds, most commonly those that occur in living beings or in food. [1] The term often refers …

The American Heart Association suggests that 8-10 percent of daily calories should come from polyunsaturated fats, and there is evidence that eating more polyunsaturated fat—up to 15 percent of …

Dec 2, 2025 · fat, any substance of plant or animal origin that is nonvolatile, insoluble in water, and oily or greasy to the touch. Together with animal and vegetable oils, fats comprise one of the three …

Dec 9, 2024 · The fats in your food don’t automatically turn into body fat (adipose tissue). Your body only stores fat if you take in more calories from protein, carbs or fats than your body needs to burn for …

Feb 15, 2023 · Not all fat is created equal. Find out which type of fat to choose — and which to avoid — for good health.

Dec 12, 2025 · This complete guide to fatty acids describes all the different types of dietary fat, their potential health effects, and where to find them.

A combination of exercise and the right diet will help you lose the abdominal fat that’s linked to a higher risk of heart disease. Johns Hopkins researchers explain how to shape up.