Grass-Fed Butter Eaters Have Fewer Heart Attacks!
Recent research shows that if you're going to eat butter, make sure it's the grass-fed variety, as grass-fed butter eaters have been proven to have fewer heart attacks!
We all know that some fats are better for us than others, and it turns out that the fats we want in butter are found in much higher quantities in grass-fed butter.
In particular, CLA (conjugated linoleic acid) is found in levels up to five times higher in grass-fed butter! Grass-fed butter is also much higher in Omega-3 fatty acids, and vitamin K.
In fact, in countries where cows are largely grass-fed, the people who eat the most butter seem to have a drastically reduced risk of heart disease.
An impressive study on this was published in the American Journal of Clinical Nutrition, in the year 2010:
Smit LA, et al. Conjugated linoleic acid in adipose tissue and risk of myocardial infarction. American Journal of Clinical Nutrition, 2010.
This study looked at the levels of CLA in the fat tissue of 1813 non-fatal heart attack patients, and compared them to 1813 similar subjects who had not gotten heart attacks.
Levels of this fatty acid are a very reliable marker for the intake of fatty dairy products, and this study was done in Costa Rica, where cows are grass-fed.
They split the subjects into 5 groups, from lowest to highest, depending on their levels of CLA. The results were fairly remarkable:
As you can see, the more full-fat dairy (like butter) people ate, the lower their risk of heart attack.
In fact, the people who ate the most were 49% less likely to experience a heart attack, compared to those who ate the least.
However, keep in mind that this was a case-control study, a type of observational study. These types of studies can not prove causation.
This study shows that people who eat more grass-fed dairy fat have a lower risk of heart disease, but it can not prove that dairy fat caused the reduction in risk.
But, at the very least, this study is pretty good reassurance that butter is NOT the devil it was made out to be.
Despite having been demonized in the past, there is no evidence that real grass-fed butter causes harm. If anything, the evidence shows it to be beneficial.
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Grass-Fed Butter Eaters Have Fewer Heart Attacks! Reviewed by matt on 20:25:00 Rating: