What is the Laying On of Hands?

Why is the laying on of hands listed as a principle doctrine in Hebrews 6? What is it's importance both physically and spiritually?

Aaron Creech is the pastor serving the United Church of God in Columbus and Mansfield, Ohio. He serves there with his wife Whitney along with their four children, Dexter, Eleanor, Natalie, and Griffin.

Aaron holds a Bachelor's degree in Chemistry and Secondary Education. Before going into the ministry, Aaron was a High School Chemistry and Physical Science teacher. While teaching he also took classes towards a Master's degree in Education.