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.
Weak and brittle nails that can easily become cracked or chipped are a common problem affecting both men and women. There are three main factors that cause brittle nails â aging, long-term use of nail polish and frequent exposure to water. Brittle nails can also be associated with some diseases, such as hyperthyroidism, hypothyroidism, lung conditions, psoriasis, lichen planus, alopecia areata, eczema, anemia, fungal infection, and endocrine disorders.