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Sun Screen - UV exposure

I think I have to be thankful for the education I got from my parents regarding the sun. I have read a document that explains a lot about the UV exposure and how to protect yourself. See

Some things that I can tell:

- Sun beds are always dangerous. Although for sometime UVA was thought not to be dangerous, nowadays its more than a question. For instance, you can find UVA, UVB filters in your sunscreens these days. It is false the concept of safe sunbeds, which it doesn't even prepare you for the radiation when the summers comes.

- When skiing (or beeing in in the snow), please wear good sunglasses (which doesn't mean to be dark) UV filters are transparent! About 80% of UV radiation is reflected by the snow (in the beach is about 25% by sand and 10% by water). And sunscreens should be put half an hour before exposure to the sun and should be retaken approximately every two hours! This applies to every situation

- There are days that you don't see the sun, but sometimes these does not mean that there is no UV radiation. Be careful with this.

-Avoid the sun between 12am-16pm. The UV exposure is n*10 times higher!

-You can get a sunburn in 20-30 min

I think this kind of document should be taught in school, I think its so important.


I guess if you were small as I was, you probably remember the ozone hole! This was actually true and all countries decided to ban it around 1995. There is still a hole, but it will need many years to recover. Check this video out from the Nasa. Cheers

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