My son is 16 and for the past year and a half has been having stomach aches every week sometimes two to three times.  We took him to a GI, but he said the only way to find out what was wrong was to knock him out and put a scope down his throat.  He also said he would rather not do that because of the Duchenne.  We have him on a half cap full of Miralax daily, which keeps him regular.  We do have…