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.
They're often a sign of a fungal nail infection or injury, but can sometimes indicate a more serious underlying disease. Visit your GP if your nails have changed in colour, texture, shape or thickness and you don't know why (you haven't injured your nails or been biting them).ometimes, brittle or crumbly nails can be caused by: 1  a fungal nail infection, which can be cleared by taking a course of antifungal tablets (this especially tends to be the cause for crumbly toenails). 2  a skin condition called lichen planus, which can just affect the nails.