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why does my back and neck always ache why does my back and neck always hurt why do my back and neck always hurt why is my back and neck always hurting why does my upper back and neck always hurt why is my upper back and neck always sore why does the back of my neck constantly ache why does the back of my head and neck always hurt why does the back of.my.neck always hurt when i wake up why is my neck and back always sore
