Looking at articles online it seems to suggest that even using sunbeds in moderation is very dangerous and increases your risk of skin cancer. Is using sunbeds not comparable with living somewhere where you are exposed a lot of sunlight? If you live somewhere with limited sunlight but use sunbeds moderately, is this worse than living somewhere sunny?
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UV light is divided into three components, UV-A, UV-B, and UV-C. UV-C is the most dangerous and is mostly filtered out by the atmosphere. UV-B is more dangerous than UV-A and causes the immediate sunburn that people get.
Sun beds typically only have UV-A rays. You can lie in them a long time and not get sunburnt, though you still get low level damage to your skin. UV-A also penetrates more deeply into the skin.
This is also why sunscreens are required to label whether they are broad-spectrum or not, since SPF rating only officially refers to UV-B protection.
Source: am dermatologist
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