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An article published in November of 2013 in the journal, Photomedicine and Laser Surgery, documented that using blue light therapy at both 405 and 470 nm was effective in vivo to treat skin infections in rats infected with MRSA.  More than two billion people now carry some strain of staphlococcus aureus, and 53 million now carry MRSA (methicillin...

In the preantibiotic era, a technology called photo-oxidation that uses UV light was used very effectively in treating severe, advanced infections. About 200 cc of blood are circulated through UV light and put back into the body to have its antimicrobial effect. The mechanism of action and data supporting its use are described. A miraculous treatment was lost.

  A study out of the University of Edinburgh and presented at the International Investigative Dermatological Conference in May of 2013 reported that sunlight on skin lowers blood pressure by increasing the release of nitric oxide. They exposed 24 people to a tanning lamp for two 20 minute sessions where in one group the UV light was blocked and in the...

There are three types of UV light, A, B, and C; they are reviewed. DNA damage from UV light is a concern and the dose makes the difference. UVA is the tanning ray and is responsible for tanning the skin; it does not burn. UVB and C penetrate deeper and can be a problem if we burn. We need UVB to make vitamin D. UVC light is filtered by the ozone layer and protects...