The study of the interaction between psychological processes and the nervous and immune systems of the human body. The main interests of PNI are the interactions between the nervous and immune systems and the relationships between mental processes and health.
Psychoneuroimmunology: laugh and be well
The idea that a positive outlook on life and a cheery disposition help to stave off illness is as old as the hills. Perhaps surprisingly, this adage is much more than an old wives’ tale.