Tuesday, March 18, 2014

Ghee, butter and cheese not tied to heart disease? Experts: No Proof That Saturated Fat Is Unhealthy

London: A dollop of ghee or butter in your diet does not cause as much harm to your heart as it was believed till now. Researchers from the University of Cambridge and the British Heart Foundation have found there is actually no evidence that confirms changing the type of fat you eat from “bad” saturated to “healthier” polyunsaturated cuts heart risk. 

    The researchers analysed data from 72 unique studies with over 600,000 participants from 18 nations and found total saturated fatty acid, whether measured in the diet or in the bloodstream as a biomarker, was not associated with coronary disease risk in the observational studies. Similarly, when analysing the studies that involved assessments of the consumption of total monounsaturated fatty acids, long-chain omega-3 and omega-6 polyunsaturated fatty acids, there were no significant associations between consumption and cardiovascular risk. 
    Saturated fat is the kind of fat found in butter, biscuits, red meat, sausages and bacon and cheese and cream. There has been a big drive to get more people eating unsaturated fats, such as olive and sunflower oils, and other non-animal fats instead. But the latest study raises questions about the current guidelines that generally restrict the consumption of saturated fats and encourage con
sumption of polyunsaturated fats to prevent heart disease. 
    “These are interesting results that potentially stimulate new lines of scientific inquiry and encourage careful reappraisal of our current nutritional guidelines,” said Dr Rajiv Chowdhury, lead author of the research at the University of Cambridge. “Cardiovascular disease, in which the principal manifestation is coronary heart disease, remains the single leading cause of death and disability worldwide. In 2008, more than 17 million people died from a cardiovascular cause globally. With so many affected by this illness, it is critical to have appropriate prevention guidelines which are in
formed by the best available scientific evidence.” 
    The research collaboration led by the University of Cambridge analysed existing cohort studies and randomised trials on coronary risk and fatty acid intake. They showed that current evidence does not support guidelines which restrict the consumption of saturated fats in order to prevent heart disease. The researchers also found insufficient support for guidelines which advocate the high consumption of polyunsaturated fats (such as omega 3 and omega 6) to reduce the risk of coronary disease. 
    For the full report, log on to www.timesofindia.com 

HEART OF THE MATTER: The latest study raises questions about the current guidelines that restrict the consumption of saturated fats and encourage consumption of polyunsaturated fats to prevent heart disease

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