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Fats are crucial for various bodily functions, including energy storage, hormone production, and vitamin absorption. They provide a concentrated source of energy, insulate the body, and protect organs. Fats also play a role in nerve and brain function, and contribute to the health of skin and hair.
1. Energy Source:
*Fats are a highly concentrated source of energy, providing 9 calories per gram, compared to 4 calories per gram for carbohydrates and proteins.
*The body stores excess energy as fat, which can be released when needed for fuel.
2. Vitamin Absorption:
*Fats are essential for the absorption of fat-soluble vitamins (A, D, E, and K).
*These vitamins can only be absorbed with the help of fats.
3. Hormone Production:
*Fats are building blocks for hormones and other essential substances, such as cholesterol and vitamin D.
*They also play a role in the production of prostaglandins, which are involved in various bodily processes.
4. Insulation and Protection:
*Subcutaneous fat (the fat layer under the skin) helps regulate body temperature by providing insulation.
*Adipose tissue (where most body fat is stored) surrounds and protects internal organs.
5. Other Important Functions:
*Fats are crucial for the proper functioning of the nervous system.
*They contribute to the health of skin and hair.
*Fats also influence the palatability and texture of food.
Types of Fats:
*There are different types of fats, including saturated, unsaturated (monounsaturated and polyunsaturated), and trans fats. Each type has different effects on health.
*While some fats are essential for health (essential fatty acids), others should be consumed in moderation, as excessive intake can lead to health problems.
Source: Online/GFMM
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