Excellent Teaching on Healing:

Kenneth E. Hagin was born August 20, 1917 in McKinney, Texas, the son of Lillie Viola Drake Hagin and Jess Hagin.
According to Hagin's testimony, he was born with a deformed heart and what was believed to be an incurable blood disease. He was not expected to live and at age 15 became paralyzed and bedridden.
In April 1933 he converted to Christianity. During a dramatic conversion experience, he reported dying, due to the deformed heart, three times in 10 minutes, each time seeing the horrors of hell and then returning to life. He remained paralyzed after his conversion.
On August 8, 1934, he says he was raised from his deathbed by a revelation of "faith in God's Word" after reading Mark 11:2324.[5] He was also healed of his paralysis and never struggled with walking. His dramatic healing is detailed in Roberts Liardon's book: God's Generals.
The Bible scripture in Mark 11:23–24 defined his ministry and was his most frequently quoted verse: "For verily I say unto you, That whosoever shall say unto this mountain, be thou removed and be thou cast into the sea, and shall not doubt in his heart, but shall believe that those things which he saith shall come to pass, he shall have whatsoever he saith. Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them"