In addition to his amazing conversion story, Peregrine's own miraculous healing stories enthuse us to give our health problems to the Lord. This the best prayer for those suffering from cancer and incurable diseases. Upon his conversion, the Virgin Mary instructed Peregrine to consecrate his life to God and penance. When he developed cancer, his prayer request to God for a miraculous cure was granted. This renowned story of healing is one that many cancer patients hope for when they ask for his intercession.