This is called the lipid hypothesis, you could say it has &#x27;shaky&#x27; relationship with the truth. A shining example of the quote, &quot;science advances one funeral at a time&quot;.<p>&quot;Current evidence does not clearly support cardiovascular guidelines that encourage high consumption of polyunsaturated fatty acids and low consumption of total saturated fats.&quot; [1]<p>This myth has caused untold millions to die from western diseases, billions of wasted dollars on health care, and yet it still lives on. The future won&#x27;t shine a good light on this era of nutrition.<p>[1]: <a href="http:&#x2F;&#x2F;annals.org&#x2F;article.aspx?articleid=1846638" rel="nofollow">http:&#x2F;&#x2F;annals.org&#x2F;article.aspx?articleid=1846638</a>