o'lord, yes this is true and there are several scriptures to back up this dear child's request and belief..starting with Isaiah 53:4-5, 1 Peter 2:24, then there Mark 9:14-24 and many more...Jer. 17:14, Psalms 30:2, 41:3, 147:3, Isaiah 58:8, Hosea 14:4, Malachi 4:2, Mark 5:34, Matt 8:8, 8:18, 9:35, 19:2, Luke 8:50, 9:11, 5:17.........lord Jesus, father in heaven hear this child's cry.. there is power of life and death in the tongue..Prov 18:21 let all who are in this child's life (your child, father) speak only life, keep their lips from evil, transforming the mind to see only you. lord all who have contact with this ill friend fill them with your spirit bringing them to one accord where there's heavenly power. send your angels forth to protect and guard keeping the enemy out of reach. let all sorrow turn to joy as they praise you and your wonderful and marvelous works.