Rectal bleeding causes can range from mild to serious. Mild causes associated with rectal bleeding include: anal fissures or small tears in the lining of the anus. constipation or passing hard, dry stools. hemorrhoids or veins in the anus or rectum that become irritated.
1 Usually the body uses carbohydrates (such as sugar, bread, pasta) for its fuel, but because the ketogenic diet is very low in carbohydrates, fats become the primary fuel instead. 2  Ketones are not dangerous. 3  They can be detected in the urine, blood, and breath.
Diets such as the Atkins Diet start out as a very low-carb ketogenic diet, but as people add carbohydrate, many or most will be eating too much carbohydrate to be in ketosis. It is probably more accurate to talk about the degree to which a diet is ketogenic rather than whether or not a diet is ketogenic.