Wonder this too. Found this: http://www.medicalnewstoday.com/articles/277860.php http://www.medicalnewstoday.com/articles/277860.php, "prolonged periods of fast

Wonder this too. Found this: http://www.medicalnewstoday.com/articles/277860.php http://www.medicalnewstoday.com/articles/277860.php, "prolonged periods of fasting - repeated cycles of 2-4 days with no food - over the course of 6 months,"