Healing and Disease Causation in the New Testament

Matthew 7:7: "Ask and it will be given to you; seek and you will find; knock and the door will be opened to you. For everyone who asks receives; he who seeks finds; and to him who knocks the door will be opened."

Matthew 6:9: "Our Father in heaven, hallowed be your name, your kingdom come, your will be done on earth as it is in heaven. Give us today our daily bread. Forgive us our debts as we also have forgiven our debtors and lead us not into temptation, but deliver us from the evil one."

Mark 11:22: "Have faith in God," Jesus answered. "I tell you the truth, if anyone says to this mountain, Go, throw yourself into the sea, and does not doubt in his heart but believes that what he says will happen, it will be done for him. Therefore, I tell you, whatever you ask for in prayer, believe that you have received it, and it will be yours. And when you stand praying, if you hold anything against anyone forgive him, so that your Father in heaven may forgive your sins."

Matthew 17:20 He replied, " ...I tell you the truth, if you have faith as small as a mustard seed, you can say to this mountain, ‘Move from here to there and it will move.’ Nothing will be impossible for you."

Matt 8:16-17 When the even was come, they brought unto him many that were possessed with devils: and he cast out the spirits with his word, and healed all that were sick: 17 That it might be fulfilled which was spoken by Esaias the prophet, saying, Himself took our infirmities, and bare our sicknesses

Matt 9:35 And Jesus went about all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and healing every sickness and every disease among the people.

Luke 9:2
(Luke 9:2 KJV) And he sent them to preach the kingdom of God, and to heal the sick.