Haredim Wear Glasses More Than Others

Some sort of health research organization studied the levels of communities wearing glasses. Their findings are that Haredim (82%) wear glasses and are short-sighted much more than the general population. Next in line is the Dati community (50%), and the lowest is the secular public (30%). Dr Levin says that it is almost definite that the method of study from a young age reading a lot is a leading cause.
source: Haredim10
They probably spent millions researching something any religious kid could have told them.
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