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]

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

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 …

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 …

7 hours ago · Health Body fat supports your health in surprisingly complex ways Evidence is mounting that our body fat supports everything from our bone health to our mood, and now, …

Jan 9, 2026 · Fat gets a bad rap even though it is a nutrient that we need in our diet, just not too much. Learn all about dietary fats and how getting too much or too little affects our 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.

Feb 20, 2025 · Get to know the different types of fat, what they do, which ones are healthy fats, and which foods are good sources of healthy fats.

Mar 17, 2025 · When it comes to health, not all fats are equal. This article looks at the sources and types of fat, their effects on the body, and how much to add to the diet.

Jul 17, 2024 · Fat is not always bad for you. In fact, you need some fat in your diet. Learn about healthy fats and what to avoid.