God presented Himself to Israelites in the wilderness in Exodus as Yahweh Rapha (meaning "the Lord who heals"). The promise of healing is in placing faith on the crucifixion of Christ (Isaiah 53:5), the fulfilment is in part-taking in the act of remembrance of the promise, that is, Lord's table.

You just need to know the utilization factor of this mystery medicine, it's a free gift of God which He graciously and mercifully gave to us