Question: what are some of the side effects of intermittent fasting?
Answer: Hunger. When you're used to eating five to six times a day, your body comes to expect food at certain times. ... 
Cravings. ... 
Headaches. ... 
Low Energy. ... 
Irritability. ... 
Heartburn, Bloating, and Constipation (Oh My!) ... 
Feeling Cold. ... 
Overeating.