No there is absolutely no evidence that the emissions are harmful. When x-rays came out we did not know all we know now about emissions and their effects.
There are many causes of dark circles, from age, heredity, allergies, cold or sinus infection, bone structure and glasses which are not so commonly known.
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You don't get cold from being cold.
You get colds from coming in contact with someone who is infected with a virus.
We get depressed in the winter from the lack of sunshine.
It's calle...