The history of nursing in the United Kingdom relates to the development of the profession since the 1850s. The history of nursing itself dates back to ancient history, when the sick were cared for in temples and places of worship. In the early Christian era, nursing in the United Kingdom was undertaken by certain women in the Christian Church, their services being extended to patients in their homes. These women had no real training by today's standards, but experience taught them valuable skills, especially in the use of herbs and folk drugs, and some gained fame as the physicians of their era. Remnants of the religious nature of nurses remains in Britain today, especially with the retention of the job title "Sister" for a senior female nurse.