In contrast to being overfed and inflamed, becoming metabolically efficient (through low-carbohydrate eating in general, and especially through Intermittent Fasting and nutritional ketosis) optimized autophagy, the natural cellular detoxification process whereby cellular material is recycled, repaired, or destroyed (autophagy means ‘self-eating’). ... Fasting and ketogenic eating are especially helpful to promote autophagy in the brain, and this protective against today’s increasingly common conditions of cognitive decline and disease.
The Author of this Quote

Author
Mark Sisson
American fitness author and blogger, and a former distance runner, triathlete and Ironman competitor