Christ Jesus brought renewal and joy into people's lives through his understanding of God's law. He outlined the way of health and wholeness for all mankind.
We gain a greater freedom from the demands of the body when we exercise the Christly qualities of meekness and purity and a hunger for the things of God.
The question of Christian healing has never been limited solely to those who practice it, nor limited only to periods of illness. Such healing has universal implications.
If aging and its effects are natural, there's no way to resist them. But if time and age are not as inexorable as they appear, we can expect to see beyond them to our nature as God's unending expression.