Proverbs 13:17 A wicked messenger falleth into mischief: but a faithful ambassador is health.
Proverbs 16:24 Pleasant words are as an honeycomb, sweet to the soul, and health to the bones.
II Corinthians 5:20 "Now then we are ambassadors for Christ." God has given us His Word to bring others back to Him. As we speak it as faithful ambassadors we bring health to the minds, bodies, and souls of those who hear us.