On this earth until Christ returns our bodies remain under the curse of physical death which includes ailments etc for it is flesh. Although sometimes healings do happen. It is the spirit that is healed and is set free and will inherit a new body in GOD's chosen time.
Adversity can be a tempering tool used to form GOD dependence to His Glory. The question has to be asked. Would Joni have accomplished what she has done and formed the ministry she has if the accident not happened to her? In her weakness we see GOD's Glory manfested. She has reached millions with very serious disabilities. Even in the past year to year and a half she went through yet another serious health trial.
Exactly.