‘I figured that if I said it enough, I would convince the world that I really was the greatest.' -?Muhammad Ali
One method you can use to train your brain to improve the ratio is meditation.
Since it is said that ?a picture paints a thousand words? you can see how much more potent a tool visualisation becomes when trying to effect a positive outcome. Among other benefits, visualisation has had great applications in improving pain symptoms, and in improving immune system functions.
Can you affirm and visualise your health and happiness?