Reward circuitry boosts immunity

Smile! It is for free!

Despite employing unknown mechanisms, scientific studies have conclusively established that a tight connection between immune system and psychological and cognitive factors exists^1-6. The so called “positive emotions” and overall happiness can strengthen our immune system and improve our well-being. Intriguingly, our body is even able to react differently to diverse types of well-being. Ancient philosophers distinguished between two main forms of well-being: