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  • Fatty Acids: Types, Sources & Health Effects | HowStuffWorks
    A fatty acid is a long chain of carbon atoms with hydrogen atoms attached. They are typically found in animal and vegetable fats and oils. Fatty acids can be saturated or unsaturated. Saturated fatty acids have all of their carbon atoms bonded to hydrogen atoms, while unsaturated fatty acids have at least one carbon atom that is not bonded to a hydrogen atom.

    Saturated fatty acids

    Saturated fatty acids are typically found in animal fats, such as butter, lard, and tallow. They are also found in some vegetable oils, such as coconut oil and palm oil. Saturated fatty acids are solid at room temperature.

    Unsaturated fatty acids

    Unsaturated fatty acids are typically found in vegetable oils, such as olive oil, canola oil, and corn oil. They are also found in some nuts, seeds, and fish. Unsaturated fatty acids are liquid at room temperature.

    Essential fatty acids

    Some fatty acids are essential, meaning that the body cannot make them on its own. These essential fatty acids must be obtained from food. The two essential fatty acids are linoleic acid and alpha-linolenic acid.

    Functions of fatty acids

    Fatty acids have a number of important functions in the body. They provide energy, store energy, and help the body absorb vitamins. Fatty acids are also important for the health of the skin, hair, and nails.

    Health effects of fatty acids

    The type of fatty acids that a person consumes can have a significant impact on their health. Saturated fatty acids have been linked to an increased risk of heart disease, stroke, and obesity. Unsaturated fatty acids, on the other hand, have been linked to a reduced risk of these conditions.

    Recommended intake of fatty acids

    The American Heart Association recommends that people limit their intake of saturated fat to no more than 10% of their total daily calories. They also recommend that people consume at least 2 servings of fish per week, which are a good source of unsaturated fatty acids.

    Fatty acids in food

    Here are some common foods that are good sources of fatty acids:

    * Saturated fatty acids:

    * Butter

    * Lard

    * Tallow

    * Coconut oil

    * Palm oil

    * Red meat

    * Cheese

    * Whole milk

    * Unsaturated fatty acids:

    * Olive oil

    * Canola oil

    * Corn oil

    * Safflower oil

    * Sunflower oil

    * Soybean oil

    * Fish

    * Nuts

    * Seeds

    By choosing healthy fats, you can help reduce your risk of developing heart disease, stroke, and obesity.

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