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).
Nail signs. 1  Brittle nails that split easily may indicate an fatty acid, protein, Vitamin A deficiency, Iron or Calcium deficiency. 2  Nails with white flecks or lines may result due to a Zinc or Vitamin B6 deficiency.3  Nails that tend to broaden and curve downwards at the tip may be a symptom of lung damage. Brittle nails that split easily may indicate an fatty acid, protein, Vitamin A deficiency, Iron or Calcium deficiency. 2  Nails with white flecks or lines may result due to a Zinc or Vitamin B6 deficiency. 3  Nails that tend to broaden and curve downwards at the tip may be a symptom of lung damage.