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.
Brittle Toenails. Brittle toenails can be caused by thyroid problems, iron deficiency, circulation problems, biotin deficiency, and impaired kidney function. Toenails that fray or split may be the result of a deficiency in protein, Vitamin C, and/or folic acid, or occur in those who suffer from psoriasis.ertical Grooves On Your Toenails. Vertical grooves can be the result of aging, iron deficiency, and kidney disorders. Rheumatoid arthritis can cause your nails to bead. Toenails that look like hammered brass can indicate hair loss. If the beds of your toenails are small and short, this can indicate heart disease.