A new genetic disorder called crying deficiency is identified in two children . NGLY1 mutation causes developmental delay , liver disease . Kids with the disorder are usually unable to shed tears . Fathers of two kids with the deficiency propose new model for scientists .
A new genetic disorder called NGLY1 deficiency is identified in eight patients . NGLY1 deficiency causes developmental delays , liver disease . Kids with the disorder are usually unable to produce tears . Fathers of two kids with NGLY1 deficiency propose new model for scientists .