Modern medical technology and therapeutic options are in constant development and are far from having reached their limits. Many healthcare workers, biomedical scientists, pastoral caregivers and also patients wonder what are the moral consequences are what are the constraints. From their expertise in the fields of medicine and ethics and from the perspective of the practice of healthcare, the authors offer a helping hand in answering these questions. Taking into account the most recent developments many actual questions are discussed. They are presented according to the phases of life where medical-ethical questions may arise. Well-argued answers to these questions and dilemmas are given, based on the teachings of the Catholic Church. May these provide for the needs of Catholic healthcare workers, and all people of good will, who are searching for sources of inspiration to assist in the formation of their views on healthcare and spirituality.