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).
Brittle Nails - Causes and Treatment. Synopsis: Brittle nails are often a result of aging but may be due to diseases and conditions there are several methods to deal with brittle and split nails. Main Document. Onychoschizia or splitting of the nails is a very common problem often seen by dermatologists.