Sun is good for health???

In our daily life, we only like to avoid from the sun because of the UV reflection will cause the skin cancel. But I never know it is good for our health.

According to this article it said that we should have a proper period to stay under the sun to gain some body antibiotic tissue. (Didn't really know is this is the proper way to say that)

Getting older already...have to be much more concern on my own health lol.


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