Severely limiting your intake of carbohydrates and fats, you may be shortening your lifespan
(www.theinnovativehorizon.com)
Having had to learn about ketoacidosis for my schooling, I was always confused how this keto diet was a good idea.. ketones = bad is what I was told. I'm assuming you're not going to the point of ketoacidosis, but having your body create ketones still doesn't sound like something I'd want.