Upper back/neck pain from poor posture and lack of stretching. Shortness of breath from rib cage restriction. Dizziness when standing. Inflammed back?

Out of balance. You may be deficient in 25-oh vit d3, magnesium and vit k2. Dizziness on standing can come from low blood pressure. Heat, topical magnesium oil and gentle stretching are all helpful for pain and stiffness. Getting a good night sleep, eating healthy unprocessed foods every 3 hours while awake , moving through the day , and lowering stress will help restore balance.