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HIGH PROTEIN, LOW CARBOHYDRATE DIETS - ARE THEY FOR YOU?By Rick Morris The theoryThe fad diet of the 1960's was the high protein, low carb diet. Now, almost forty years later, the diet is back. The theory behind this diet is that eating carbohydrates causes an increase in hunger. As a result you over eat. This type of diet also claims that by eliminating carbohydrates and eating a lot of protein you will trick your body into burning fat.How it worksCarbohydrates are the nutrients that provide energy for working muscles and organs. When carbohydrates are limited, your body must burn first stored carbohydrates and then protein from lean muscle. The by-product of this is water, so you lose a lot of weight quickly, most of it from water. Body fat is also burned. When you burn fat for fuel, without carbohydrates, it burns only part way. The by-product of this incomplete burning of fat is ketones. Ketones are eliminated from your body by being processed through your kidney.Advantages
Disadvantages
The bottom lineThere are a number of possible health risks involved with this type of diet. The ketone bodies produced can cause damage to your kidneys and weaken your bones. The burning of lean muscle tissue weakens your body and lowers your metabolism. The high fat content can contribute to cardiovascular disease and some forms of cancer. A low carbohydrate diet is a poor choice for a runner or any active individual. You will not be able to train or race at a high enough level to reach your peak as a runner if you do not consume a diet that is high in carbohydrates. |
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