How Consuming Saturated Fats Doesn’t Cause Heart Disease
For several decades, it was believed that eating saturated fats raised the risk of heart disease. The theory was that saturated fat raised blood cholesterol levels and led to blocked arteries, which caused heart attacks.
In response to warnings from health organizations, many people replaced whole-milk dairy products with low-fat and fat-free versions. They also exchanged natural fats like butter for margarine made from vegetable oil.
However, in recent years, several systematic reviews and meta-analyses have found no connection between saturated fat intake and heart disease.
A 2014 review of 76 observational and randomized controlled studies with more than 650,000 participants found that those with a high saturated fat intake did not have an increased risk of heart disease. On the other hand, some data suggests that replacing a portion of your saturated fats with unsaturated fats may slightly decrease your risk of heart problems.
However, the claim that eating saturated fat causes heart disease is not supported by the best available evidence to date.
Finally, comprehensive analyses of observational and controlled studies have found no convincing evidence that eating saturated fat causes heart disease.