Calorie restriction is the one method proven to extend life, but you don't have to do it every day to benefit. Occasional or intermittent fasting is an alternative way of reducing your calories without feeling deprived all the time.
Part I reviewed the latest findings in longevity research. In a word, dietary restriction (DR) creates physiological changes that slow down aging and protects against age-related diseases. It is now known that these effects are related to insulin and that reducing insulin secretion plays a major role in extending life.
Therefore, one must learn to efficiently burn foods that do not provoke insulin secretion - fats. Fats are stable, slow burning sources of energy that do not create advanced glycation end-products and that naturally satiate. They have many roles in the body and are the only macromolecules that can carry the fat-soluble vitamins that build healthy bone, teeth, and nervous system. Some fats are essential and therefore must be supplied by the diet regularly. Read more