Excellent article on Jason Fung. Well worth the read.
https://www.dietdoctor.com/dr-jason-fung-dismantling-diet-dogma-one-puzzle-piece-time?utm_source=Diet+Doctor+newsletter&utm_campaign=44d4b52a51-EMAIL_CAMPAIGN_2018_01_23&utm_medium=email&utm_term=0_41db911777-44d4b52a51-465209521
How many reasons are there for the tiredness that descends? High bloods certainly does it. Fasting then moderate exercise seems to do it too. Is this because the body is working to release energy?