Integrated meditation practice is like a healthy diet which is indispensable for maintaining your vitality and resistance to disease. Likewise, a balanced meditative practice in the course of a socially engaged way of life heightens your psychological immune system, so that you are less vulnerable to mental imbalances of all kinds.
B. Alan Wallace (2010). “The Attention Revolution: Unlocking the Power of the Focused Mind”, p.51, ReadHowYouWant.com