Energy Dispersive X-ray Fluorescence or EDXRF is known to
scientist at least 50 years. It became very favorable tool to measure
chemical compositions about 30 years ago. This is due to ability to
produce by many companies a portable X-ray source and small Si-pin
It is not a myth anymore. Many people start using red and infra-red
lights to fight different health problems. In this article we will try
to describe in general terms what does science and medical world know
and uses for healing in terms of light.