Is olive good for heart ?

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One of my friend has send me benefits of olive and it says that it protect from heart problem. Here is the brief description: The beneficial health effects of olive oil are due to both its high content of monounsaturated fatty acids and its high content of antioxidative substances. Studies have shown that olive oil offers protection against heart disease by controlling LDL ("bad") cholesterol levels while raising HDL (the "good" cholesterol) levels. What are your opinion about it., do you take olive oil or raw olive.