Key points from article :
It takes 10-12 hours to use up calories in liver before using stored fat.
Most people trying to lose weight should strive for 16 calorie-free hours.
“Robust disease-modifying” benefit of intermittent fasting in animal studies.
Improvements found in variety of health indicators and a slowing or reversing of ageing.
When fats are used for energy, they produce substances called ketone bodies.
These regulate expression, activity of proteins and molecules that influence health, ageing.
A reasonable question might be “How safe is intermittent fasting?”.
And “How practical is intermittent fasting?”.
Research by National Institute on Aging, published in The New England Journal of Medicine.