Described is a device for irradiating a body with actinic radiation. The device comprises one or more elements allowing the person to stand, sit or lie in a position allowing said actinic radiation to impinge on at least a part of the body; one or more elements allowing control of the intensity, irradiance, dose, and/or time of irradiation of said actinic radiation; and one or more elements comprising at least one source of radiation that emits radiation of at least two different wavelengths, at least one of the wavelengths being in the visible range.