Ok so I am 20 years old and have had headaches for over 4 months and have had blood tests and PT and nothing helps...the blood test is negative for anything...what could be happening???Also my stomachs been hurting whenever I eat and sometimes when I don't it feels like I haven't had a BM in a week but I have!! So I feel like I have gas deep in my stomach... please someone help me I dont want to pay alot of money for scans....HELP :)