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.
Summary: Eating Fat on the Ketogenic Diet. Weâve talked about why fat is important on the keto diet, how to calculate the amount thatâs right for you, and the best sources from which to get it. Now, use this information to go out and enjoy one of the best aspects of the keto diet: eating delicious, satiating foods full of fat!