40 Prayers To Destroy Incurable Diseases. What are Incurable Diseases? Incurable diseases are when someone is afflicted with a sickness that persists and seems unresponsive to treatment. Incurable diseases are diseases said to be permanent without a known cure or treatment to wipe it off.  NOTE: Kindly Read My Dream Interpretation Book And Other Inspiring Books… As children of God we should know that we live in a spiritual world where the spiritual controls the physical. Everything that we see