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the actinic rays of direct sunlight are known to have disinfectant properties, to be instrumental in the production of vitamin D in the skin and to be the trigger mechanism in photosensitive dermatitis, squamous cell carcinoma of the eye in cattle and of the vulva in sheep and solar dermatitis.

Patient discussion about sunlight

Q. Is it possible to be allergic to sun??? I met this girl the other day that told me she is allergic to the sun. Is it actually possible???

A. Some people are sensitive to sun-light, not because of an allergic reaction but because of different conditions or diseases that involve this symptom. Some of these reactions may be similar to an allergic reaction because the skin gets irritated, however biochemically it does not involve the same mechanism as an allergic reaction. The sensetivity to sun an immunologic and sometimes auto-immunologic symptom.

Q. What roll does the sun have in causing cancer

A. Hi again:

This is a book for everybody here:
Read it and learn to understand why you are fooled day by day!

Q. I feel some effects due to less exposure to sunlight. I heard that UV lighting is effective for depression. I’m living in northwest pacific; the summers are very nice but way to short. I feel some effects due to less exposure to sunlight. I have been told that sun light helps the production of the chemical in the brain that we are deficient of. If true, are there certain types of fixtures and/or bulbs that I should try.

A. Its also called seasonal affective disorder:

(SAD) depression with fatigue, lethargy, oversleeping, overeating, and carbohydrate craving recurring cyclically during specific seasons, most commonly the winter months.

I would about UV. Perhaps you should get a fluorescent light fixture for the area where you spend the most time each day and turn it on.

The web sites that sell the commercial light boxes want several hundred dollars or even more. (Seems like rip off to me.)
The web page at

says "studies suggest that regular fluorescent lights will work as well. UV (ultraviolet) light can damage eyes and skin, so it must be filtered out. It is best to buy a commercially built light box to be sure of the exact amount of light and to be sure that there are no isolated "hot spots" which could damage eyes. Many people still prefer full spectrum (minus UV) light because it i

More discussions about sunlight
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The solar installation at Crescent Park - a $7 million dollar project installed by Sun Light and Power, based in Berkeley, CA - will help reduce the production of greenhouse gases while providing lower utility costs for this large, family complex.
We welcome the addition of Cogenra's highly efficient solar cogeneration solution to the market and its potential to accelerate the adoption of solar in California," said Gary Gerber, president of Sun Light & Power.
90 FOR Nivea Sun Light Feeling Lotion SPF 20 (200ml), pounds 10.
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The village had 140 houses, a hall, church, school, shop, hospital and allotments and is 35 years older than nearby Port Sun light.
The buildings where the needs are delivered within sun light resistance include all properties of the Hague in management and maintenance by the Internal Service Centre.
a) Note: Generated power and usage will depend on solar cells placement, amount of sun light provided to the solar panels, and type of display connected to the solar-powered system.
Development of Photochromic Films using nanomaterials: Film should change the colour from clear to dark when exposed to sun light & turn clear without sun light
Unlike Solar Photovoltaic energy which is created from, sun light, solar thermal energy is harvested from heat direct from the sun.
Recommended prebid conference will be held on March 10, 2016 at 10:00 AM at 15500 Sun Light Near Way, Pflugerville, TX 78660.