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.
Conditions we more often associate with skin, like psoriasis, can also cause brittle nails. Some companies sell vitamins that are meant to help strengthen nails, most notably using a b-complex vitamin called biotin, but there is very little evidence to suggest that these vitamins actually improve brittle nails.
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.