Homeopathy is a popular form of alternative medicine in Britain. It is recognized by the World Health Organization as the second largest therapeutic system in the world. Homeopathy aims to aid the body's own defense and immune processes using medicines derived from plants, animals, and minerals. It was introduced to the UK in the 1830s and became popular among high society. There are currently about 1000 registered homeopaths and 1000 medical doctors practicing homeopathy in the UK. Homeopathy has also been practiced long and distinguished in Scotland since its origins in the UK.