There are some nail harms that are caused due to hereditary factors, lack of proper care, negligence and vitamin and protein deficiencies in your diet. gone diet, stress is the next important factor causing nail problems. Minerals, calcium, vitamins all are the essential components of our balanced diet. Consume a tall fiber diet with plenty of green leafy vegetables and reduce your weight if you are overweight. If you are concerned that your fast may not be balanced and healthy you should see a health or nutritional expert. Toenails are a great indicator of the health of your feet. Toenails of people of all ages can undergo a range of changes, some of which are relatively common. Major toenail hitch culprits are wrongly fitting shoes, which press too firmly on the toenails.