The nail is that the one among the toughest substances of our body, that acts as a defend to the tip of hand or leg. thus it's vital that correct care ought to be taken of the nails of our fingers and toes. however typically we tend to might realize that some nails darken step by step and become thick, simply breakable and painful, that is principally thanks to the infection caused by the fungi that begin growing on the affected nails.
