There are basically two families, one living in Egypt and the other in Germany, each with unshakeable philosophies about child rearing, genetics, world redevelopment, ideology, and preventing the return of Black Ep or something worse.
A nail disorder is a condition caused by injury to the nail or disease or imbalance in the body. Most, if not all, of you have had some type of common nail disorder. In some cases you can cosmetically improve a nail disorder. When in doubt, please see your physician for the proper diagnosis.
Hereditary nail disorders are problems that occur with the fingernails and toenails of one who has a history of such disorders in their family. A hereditary disorder may be passed from parent to child, but can also appear in further generations and passed from grandparent to grandchild.