Maybe I should

I must be getting old; my body isn't as it was years ago. I have aches everywhere, most noticeably my back. I've always had problems with my back and it radiating problems to other parts of my body like my neck, head and left shoulder. The pain is there everyday, some days better than others. It travels from the shoulder down to the top part of my left arm. Feels like muscular pain caused maybe by a pinched nerve. I've never got it checked out, maybe I should.