The key thing a lot of low carb, high protein diets tend to ignore is that it's hard on the kidneys: http://www.webmd.com/diet/news/20030317/high-protein-diets

The key thing a lot of low carb, high protein diets tend to ignore is that it's hard on the kidneys: http://www.webmd.com/diet/news/20030317/high-protein-diets-can-hurt-kidneys http://www.webmd.com/diet/news/20030317/high-protein-diets-c... So you lost weight and feel better on a low carb high protein diet? Good for you! Some of us inherit high cholesterol, diabetes and kidney disease, along with other reasons to keep to a diet high in fiber and low in animal protein, especially beef.