Scientists have long suspected the keto diet might be able to calm an overactive immune system and help some people with diseases like multiple sclerosis. Now, they have reason to believe it could be true.
Low-carb diets in general are good for a large number of autoimmune diseases, which almost unanimously relate to Rheumatism. The high-fat part of Keto is the dumb part, because most people with Rheumatism can't get enough exercise to elevate to a higher metabolism to make that beneficial.
The ‘high fat’ part is a bit of a misnomer when it comes to the ketogenic diet/lifestyle.
Basically, all the diet entails is eating a limited number of carbohydrates to force ketosis, and ideally eating a sufficient level of protein (based on lean body mass and activity levels).
The balance of one’s diet is then made up of fats, which depending on goals (caloric deficit for weight loss etc.).