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.
Estrogen, among its other functions is responsible for the moisture retention in the body. Less estrogen causes the skin to dry. Moisture: soaking the nails in water softens the keratin. If you work requires you to have wet hands, it is probably the main cause of your brittle nails. For the same reason, biting nails causes brittle nails. The nails are touched by saliva many times during the day and remain moist most of the time.