what are some of the side effects of intermittent fasting?
["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.']