Why can't i just believe Dr's etc? I have had a left sided back ache for about 6 weeks and i keep prodding and twisting my torso and convincing myself it's my lung because it hurts sometimes at the end of my breath. I saw an osteopath yesterday who said she could feel all my left side wasn't right and my rib was locked. I kept saying to her so it isn't my lung and she said no i can feel it's skeletal. I believed it coming home but this morning it's worse and i am worrying it's my lung again. Why do i always think the worst, it's awful.