I'm male, 40 years old, weight 89kgs, height 175cm; working in IT industry at Chennai; in recent months on my left side of the body, have a neck pain dripping down to my left hand sometimes or even to my head or face, back pain (Top) rarely, lower back pain, left leg & knee pain rarely; have been driving two-wheeler for nearly 20 years; Could you please let me know the cause of pain & remedy?