Can meditation be harmful?

What *is* meditation, or mindfulness? Can it be used as a panic room? What is its purpose? What do we need to know to practice it safely and successfully? In this sincere and tender dharma talk from December 2020, Br. Phap Linh (“Brother Sprit”) shares that the practice of meditation has to do with how we relate to the real suffering we face every day in ourselves and in the world.