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.
Causes of Brittle Nails. Some of the causes of brittle nails are injury, infections, diseases, poisons, or medications. Injuries to the nail from constant exposure to water or nail polish can cause them to become brittle and peel off. The base of the nail could also get crushed and deform.