Neck and shoulder pain is one of the most common issues people experience today. It often starts gradually - tightness in the neck, stiffness in the shoulders and over time, it becomes something that keeps returning. Many people assume it’s simply due to posture or stress. While that is part of the picture, the full cause is often more complex. It’s Not Just About Muscle Tension Neck and shoulder pain is rarely caused by a single factor. In most cases, it develops from a comb