As many as 1 in 10 babies has colic. What is colic and how is it different than acid reflux or GERD? What are the signs and symptoms of each and why it is so hard to distinguish between them? What medications can be used in treating colic, acid reflux or GERD? Plus, simple things you can do at home to help with colic or a fussy baby. Dr. Michael Nelson, pediatrician at Kaiser Permanente is this weeks expert and answers our questions.