We need to know how God views the position of the body. No one can deny that there is a relationship between the body and the spiritual life. In addition to having a spirit and soul, we also have a body. Although the intuition, fellowship, and conscience of our spirit may be very healthy, and although the mind, emotion, and will of our soul may be renewed, we have not become a spiritual man if our outward body is not healthy and renewed in accordance with our spirit and soul. We cannot be considered complete, and we are still lacking in something. As human beings we not only have a spirit and soul, but we also have a body. We cannot overlook the body and care only for the spirit and soul. If we do so, our life will wither.
Read here: https://clifestream.com/the-bodythe-believer-and-his-body/