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Ultraviolet Radiation – Benefits and Risks
All living creatures need light and warmth, and both are provided by the sun. But the sun also emits ultraviolet (UV) radiation.
UV radiation enhances well-being and activates the human organism. In particular it promotes the formation of the essential vitamin D3, which the body requires to build and maintain bones. But 15 minutes of indirect sunlight on the hands and face every day is often sufficient for that purpose.
The ozone layer that surrounds the earth acts as a filter against excessive UV radiation. The thinning of the ozone layer – already by about 20 percent in Western Europe – is an ongoing process due to climate change. As the ozone layer diminishes, more and more UV radiation hits the earth.
Excessive exposure to sunlight can be harmful to health, and may cause sunburn as well as more rapid aging of the skin and increase the risk of contracting skin cancer. Corresponding protective measures are therefore increasingly important.
Children’s playground with a sketched-in PLEXIGLAS® roof for UV protection
PLEXIGLAS® – UV Protection without Shadows
We are exposed to the majority of UV radiation in our childhood. At this time, our UV protection mechanism is not yet fully developed. So effective protection at children’s playgrounds, for instance, is highly important.
A simple way to protect oneself against excessive UV radiation is to stay in the shade, for example under a roof. But many roofs keep out welcome light as well as UV rays. PLEXIGLAS® combines both properties, UV protection and light transmission.