http://boards.dailymail.co.uk/diet-fitness/10252205-mid-morning-slump.html
http://drlwilson.com/articles/HYPOGLYCEMIA.htm
http://www.marksdailyapple.com/forum/thread88989-2.html#post1233931
http://www.sciencedaily.com/releases/2005/11/051116090318.htm
http://lowcarbnewengland.blogspot.co.uk/2008/10/im-back.html