Healing the body by forgiving someone is not possible in any direct sense. That said, the psychological plus points of forgiving can have an indirect effect on bodily health. From the point of view that forgiveness allows for an inner release of resentment and tension, so the production of stress hormones within the body will reduce. In turn, this can have a positive effect on the body from symptoms associated with stress, such as stomach cramps, headaches and sleep loss, for instance.