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.
When in doubt, look for basic causes first, such as a fungal infection, a reaction to nail polish or bruising from an impact. There's ongoing debate about whether brittle nails are caused predominantly by a lack of protein or moisture in the nails.