During all the years of Imodium/opiate usage, her liver became severely compromised and she developed Breast Cancer (cancer virtually never develops in a person with a healthy liver). She beat a small breast tumor once with hyperbaric oxygen, but it returned (because no one addressed her constipated bowels/liver).
-- Wikipedia. Reverse engineering, also called back engineering, is the processes of extracting knowledge or design information from anything man-made and re-producing it or re-producing anything based on the extracted information.
An engineer is a person that applies scientific knowledge, mathematics and imagination to develop real life solutions for technical problems. The purpose of an engineer is to design equipment or models that serve real life purpose with the aims of reducing cost.