Why Fats are important for body?

 The Fats contain a lot of energy and  the  most important function of the Fats is to bring that necessary energy to organism(body).The Fats have energy twice than  Carbohydrates and Proteins.Fats are usually sources of  vitamins  A,D,E,K so through these vitamins in the body come  fatty acids which contain every cell of organism in 2 % and  that fatty acid are very important for organism because the organism cant to create fatty acids alone ,organism need to receive it through vitamins.
Fats can be animal and plant derivation.The animal derivation have saturated fatty acids and they are solid at room temperature,except Fats got from fish.In the most cases they are not good for human's health.
The plant derivation have unsaturated fatty acids and usually they are in liquid state.They are much better than Fats got from animal and much healthier.They are very good in preventing heart and blood vessels diseases.

Food should contain about 25 to 30 % of the Fats ,but we should use more Fats get from plant derivation than a animal derivation.                                                                                                                             The best oil is olive oil .Olive oil is very good in preventing heart disease,gall  stones ,ulcer and they help in decreasing    cholesterol in blood.                                                                                                    

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