Nail diseases infection accident Uneven overgrowth heart disorder Bruised nail long ridges detergent soap carelessness 1. are conditions of both the nail and the surrounding skins which result from bacterial, fungal and viral infections, 2. The main course for skin. is through damaged cuticles and broken 3. Ridges are caused by from illness. growth of the nails, usually resulting of the nail usually in thickness 4. Onychauxis or hypertrophy is an rather than length. 5. shows dark purplish (almost black or brown) spots, usually due to injury and bleeding of the nail bed. 6. Furrows are that run either lengthwise or across the nail. during manicure. 7. Treating cuts is caused by an in removing the cuticle, dryness, cutting off too much may 8. result in hangnails. 9. Bluish in color; these may be attributed to poor blood circulation or and other chemical solvents may be the 10. Over exposure to cause of having a brittle nail.