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.
smoking excessive alcohol consumption and biting the nails all can cause weak brittle nails aging as we age the fingernail also ages the aging process causes lack of collagen and keratin a decrease in moisture and dull yellowish nails