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this post was submitted on 15 Mar 2026
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Your body can synthesize all the carbohydrates it needs through gluconeogenesis. There are no "essential carbs" the way there are essential fatty acids and amino acids. You can absolutely live on a diet of just fats and protein - and plenty of people do. The Inuit mostly did, and so do folks on carnivore diets today.
It might not be the healthiest long-term option, but it won't kill you from a lack of carbs. You're probably thinking of "rabbit starvation" which happens when you eat too much protein and not enough fat.
Braindead comment.
I say that because brains demand carbs to function optimally.
Sure. You're gonna survive. But you'll have brainfog and your red blood cells aren't gonna be happy either.
Plus you need micros....
Don't get me twisted. IMO, you gotta balance your diet. Extremes aren't doing you any favors.
The human brain can use ketones for its requirements, and your body is able to produce all the carbohydrates it needs via gluconeogenesis. Including the needs of all your erythrocytes.
Your position isn't an informed one. A quick pubmed search on ketogenic diets and cognition shows improved and protective benefits.
Lol...
Fine print:
In studies in epileptics and others with cognitive impairments... Not normal healthy cohorts.