There Are Good Fats and Bad Fats

January 3, 2018

It doesn't take a leap of imagination to assume that if you eat fat it will make you fat. After all fat has more than twice the number of calories per gram than carbohydrates or protein. As the old saying goes "you are what you eat." Furthermore it is an easy step to assume that the fats that float through your blood stream and clog your blood vessels come from the fats that you eat.


However when the numbers are crunched by statisticians it is not possible to verify a connection between eating saturated fat and cardiovascular disease. It is true that saturated fat raises the level of LDL cholesterol levels that are associated with higher rates of heart disease, but they also raise the level of HDL, the good cholesterol. HDL flows through your body and removes LDL from the walls of your blood vessels. Since saturated fat raises the levels of both LDL and HDL it's influence is probably a dietary wash.


In addition it seems as though there are two different LDL particles. Some are small and dense while others are larger and fluffy. The large ones are mostly harmless. Ingesting saturated fat raises the levels of these larger particles. What most people do not realize is that eating carbs will raise the level of the small sticky particles that are linked to heart disease.


This new information does mean that you should go out and eat more double cheeseburgers or other foods high in saturated fat. It does mean that you should explore the options of eating foods that are high in other fats that are heart healthy. That topic is the subject of our next blog.


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Dr. Sanford L. Severin

Dr. Todd D. Severin

San Ramon, CA 94582 USA

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© 2020 by Sanford Severin, MD