The Bible Says
"Is any one of you sick? He should call for the elders of the church to pray over him and anoint him with oil in the name of the Lord."
James 5:14 

"To him who has loved us and has freed us from our sins by his blood, and has made us to be a kingdom of priests to serve his God and Father- to him be glory and power for ever and ever! Amen.
Revelation 1:5,6