| Sounds like one of those "old wives' tale" type explanations. In line with "you'll go blind" and all that. 
				__________________"Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions." - Albert Einstein
 
 "Wise men talk because they have something to say; fools, because they have to say something." - Plato
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