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.
â¢ Other common causes are long-term use of nail polish, exposure to moist conditions, like swimming, and systemic conditions. Common systemic conditions that can cause dry brittle nails are anemia, hypothyroidism, iron deficiency, circulation problems, eczema and psoriasis.