Luke 2:40:

And the child grew, and waxed [became] strong in spirit, filled with wisdom: and the grace of God was upon him.

See also:

What Is “Inner Healing,” and Do I Need It?
Objection: Teaching That Jesus Healed as an Anointed Man Is Heresy Because It Denies His Deity
Objection: We Cannot Expect to Heal as Jesus Did Because We Are Not the Son of God