When There Is No Doctor by Gerard S. Doyle

Author:Gerard S. Doyle
Language: eng
Format: epub
Publisher: Process
Published: 2010-08-12T04:00:00+00:00

The key component of sunlight when it comes to infection is ultraviolet radiation, or UV. UV can cause mutations in DNA that result in the death of bacteria and viruses; unfortunately in animals like us, UV-induced mutations can also lead to development of cancers like melanoma.

UV light has three bands, and the UV-C band is the most effective at killing infectious organisms. UV-B can also work, but is less efficient. Sunlight has very little UV-C, so it takes longer for natural sun to work its magic.

Many hospitals and clinics use artificial UV-C lights to help prevent infection, mounted above eye level and directed upward to help sanitize air as it circulates without causing problems for humans. Air circulates within these rooms, so particles of dust (and dead skin cells) acting as “rafts” for germs are exposed to the light as they float around the room. This helps reduce infection risks.

So there was a reason beyond a cheery atmosphere that I told you that your sickroom should be made open to the sun. You might even consider adding a UV-C light of your own to the sickroom, or the area just outside it, to bolster the effects of the sun’s rays.

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