This is based on the assumption that there are pathways in the body that conduct light and which correspond exactly to the paths of the meridians in traditional Chinese medicine. That is why colours are supposed to be able to influence the vegetative nervous system and the closely connected glands, which in turn has a comprehensive effect on the whole organism. Yellow and red shades stimulate, green promotes creativity, yellow relaxes and blue alleviates pain. Chromotherapy can be used generally to combat stress, to prevent illness or as companion therapy for physical and mental disorders. Special lamps with different colour filters are shone onto the parts of the body that are affected.

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