GP Research Review - Issue 90

Which diet is best for inducing weight loss? A recent JAMA paper compared the evidence for several diets and concluded that any low-carbohydrate or low-fat diet results in significant weight loss, and differences were small between diets.  Apparently, any diet will do – as long as the person stays on it.  In contrast, another recent paper, published in the Annals of Internal Medicine, reports that a low-carbohydrate diet is superior to a low-fat diet; the low-carbohydrate diet resulted in greater weight loss over 1 year and also larger improvements in cholesterol and triglyceride levels.  However, the study only ran for a year – what would the outcomes look like after a longer time?

Findings on the association between fish consumption and acute coronary syndrome (ACS) have been inconsistent up until now.  Our Natural Health section comments upon a large meta-analysis (involving over 400,000 participants) reporting an inverse association between fish consumption and the risk of ACS.  In this investigation, fish consumption is beneficial in the primary prevention of ACS and higher consumption means better protection. 

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