It's easy to feel overwhelmed when there is "too much" to handle. Training yourself to become aware of your body's sensations during these moments can reduce stress and teach you how your body can lead you back to mental and physical equilibrium.
Yoga isn't the only "alternative therapy" that can help patients achieve better outcomes than pills and medical procedures alone. My prediction is that 2013 will see more and more physicians like myself who have added more than conventional Western medicines to their treatments.
Like the common cold, back pain will hit you at some point another, so don't panic. While some physicians think back problems are mostly psychological, I believe in a practical, diagnosis-based approach.