12 lessons learned from 1 year of intermittent fasting 12 lessons learned from 1 year of intermittent fasting 12 lessons learned from 1 year of intermittent fasting http://jamesclear.com/intermittent-f...essons-learned http://jamesclear.com/intermittent-f...essons-learned 12 lessons learned from 1 year of intermittent fasting