 Presumably they began misinterpreting their own harmless symptoms, a group phenomenon now known as Tedy Bruschi syndrome.Robert Adler is credited with coining the term Psychoneuroimmunology (PNI) to categorize a new field of study also known as mind-body medicine.The principles of mind-body medicine suggest that our mind and the emotional thoughts we produce have an incredible impact on our physiology, either positive or negative.