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Does eating foods high in fat really cause heart disease?

42 yr old, Female
42 yr old, Female
asked Sep 01, 2009 at 02:55PM in Cardiology/Heart Disease
2 Answers
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  • 1
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    answered Sep 02, 2009 at 08:06PM
    Short answer, yes. Here's why...
    Fat is converted into "bad cholesterol" by the liver. This cholesterol then is deposited in the walls of your arteries. The arteries of the heart are very narrow, so, when you this cholesterol "plaque" is deposited, the heart gets less and less blood (which delivers oxygen and nutrients). Being a muscle, the heart can't take much of this stress, and it becomes diseased (leading to heart attacks, heart failure, etc.).
    However, fat is still an important part of the human diet, so don't forgo it altogether. Just keep your intake under control... Which is much easier said than done.
  • 2
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    answered Sep 03, 2009 at 11:49AM
    Well, there's fat - and then there's fat. We know that there is a difference between the so-called 'good' fats (olive or canola oil, avocados, nuts) and the 'bad' fats (saturated and trans-fats). The heart-healthy Mayo Clinic-recommended Mediterranean Diet actually contains quite a lot of (good)fats. Emerging research suggests that increasing your daily intake of olive oil, for example, may actually lower your (bad) LDL cholesterol numbers.

    According to Mayo Clinic experts: "The Mediterranean diet is similar to the American Heart Association's Step I diet, but it contains less cholesterol and has more fats. However, the fats are healthy — including monounsaturated fats, such as olive oil, and polyunsaturated fats, which contain the beneficial linolenic acid (a type of omega-3 fatty acid). These fat sources include canola oil and nuts, particularly walnuts. Fish — another source of omega-3 fatty acids — is eaten on a regular basis in the Mediterranean diet. Omega-3 fatty acids lower triglycerides and may improve the health of your blood vessels. The Mediterranean diet discourages saturated fats and hydrogenated oils (trans-fatty acids), both of which contribute to heart disease."

    More info at: http://www.mayoclinic.com/health/mediterranean-diet/CL00011

    Cheers,
    Carolyn Thomas
    http://www.myheartsisters.org
    • Nice answer, Carolyn, especially in light of current research showing that the Mediterranean diet also seems protective against dementia.
      Gina Pera commented Feb 10, 2010 at 04:23PM
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