Physical education is a unique aspect of education in that it provides the only. instruction for students in the development and maintenance of positive attitudes, essential knowledge and physical skills. The contribution of physical education is to.
1 Kidney disease can cause a build-up of nitrogen waste products in the blood, which can damage nails. 2  Liver disease can damage nails.  Thyroid diseases such as hyperthyroidism or hypothyroidism may cause brittle nails or splitting of the nail bed from the nail plate (onycholysis).
Causes of Brittle Nails. Anemia Anemia is the condition of having less than the normal number of red blood cells or less than the normal quantity of hemoglobin...learn more Â». Eczema Eczema refers to skin inflammation. There are many different types of eczema that produce symptoms and signs that range from...learn more Â». In This Article.