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.
1 Kidney disease can cause a build-up of nitrogen waste products in the blood, which can damage nails. 2  Liver disease can damage nails.  Thyroid diseases such as hyperthyroidism or hypothyroidism may cause brittle nails or splitting of the nail bed from the nail plate (onycholysis).
Injury: 1  Crushing the base of the nail or the nail bed may cause a permanent deformity. 2  Chronic picking or rubbing of the skin behind the nail can cause median nail dystrophy, which gives a lengthwise split or ridged appearance of the thumbnails. 3  Long-term exposure to moisture or nail polish can cause nails to peel and become brittle. Infection: Fungus or yeast cause changes in the color, texture, and shape of the nails. Bacterial infection may cause a change in nail color or painful areas of infection under the nail or in the surrounding skin. Severe infections may cause nail loss. Paronychia is an infection around the nailfold and cuticle. Viral warts may cause a change in the shape of the nail or ingrown skin under the nail. Certain infections (especially of the heart valve) may cause red streaks in the nail bed (splinter hemorrhages). Diseases: