Hearing this, Jesus said to Jairus, "Don't be afraid; just believe, and she will be healed."
LORD my God, I called to you for help, and you healed me.
The LORD sustains them on their sickbed and restores them from their bed of illness.
He heals the brokenhearted and binds up their wounds.
But he was pierced for our transgressions, he was crushed for our iniquities; the punishment that brought us peace was on him, and by his wounds we are healed.
Then your light will break forth like the dawn, and your healing will quickly appear; then your righteousness will go before you, and the glory of the LORD will be your rear guard.
Heal me, LORD, and I will be healed; save me and I will be saved, for you are the one I praise.
The centurion replied, "Lord, I do not deserve to have you come under my roof. But just say the word, and my servant will be healed."
When evening came, many who were demon-possessed were brought to him, and he drove out the spirits with a word and healed all the sick.
Jesus went through all the towns and villages, teaching in their synagogues, proclaiming the good news of the kingdom and healing every disease and sickness.
He said to her, "Daughter, your faith has healed you. Go in peace and be freed from your suffering."
One day Jesus was teaching, and Pharisees and teachers of the law were sitting there. They had come from every village of Galilee and from Judea and Jerusalem. And the power of the Lord was with Jesus to heal the sick.
One product of superstition and magical thinking, when people take it seriously, are things like Cases of Childhood Deaths Due to Parental Religious Objection to Necessary Medical Care.
See some more accounts of Faith Healing at What's the Harm in Faith Healing.