The yoga cure

Science steadily catches up to “prove” that the magic of yoga in fact works. Yoga helps manage and treat many diseases and ailments resulting for inflammation, including depression, arthritis, high blood pressure and digestive disorders. This must be why so much importance is placed on Sarvangasana / Shoulder Stand in Iyengar yoga  

This link below explains:

https://www.psychologytoday.com/blog/the-athletes-way/201607/vagus-nerve-stimulation-dramatically-reduces-inflammation