It's highly unlikely that a nutritional deficiency is causing your nails to split and peel. But low levels of iron, vitamin A and zinc can affect nail health.

The health of your nails may be a good indicator of your overall or nutritional health. A diet low in protein, vitamin A, iron or calcium can lead to dry nails.

Brittle nails can be a sign of nutrient deficiencies, thyroid problems and underlying illnesses. Household cleaners and harsh soaps can affect your nails too.

Splitting and peeling nails are a common problem. They are most often caused by too little or too much moisture in the nails, trauma to the nails or a fungal nail infection. Various vitamin deficiencies and medical disorders may also lead to splitting and peeling nails.

A number of factors affect healthy nail growth. You can promote healthy nail growth by taking care of your nails.

Fingernail fungus occurs when fungi or bacteria enter the nail bed. This can occur either through a crack or break in the cuticles or nail plate, or it could be the result of bacteria inside the body. Fingernail fungus is characterized by thick, yellow and cracked nail beds and can be embarrassing.

You can rid yourself of unsightly toenails with a product you probably already have in your kitchen cupboard. Treating toenail fungus is one of the many uses for baking soda. Not only will it treat and remove the damaged toenail, baking soda can also keep the damaging fungus from returning.

Most problems leading to damaged nails are treatable at home. However, the University of Maryland Medical Center recommends talking to your doctor if you experience certain symptoms that can indicate a more serious problem such as a severe vitamin deficiency or chronic disease.

Hair and nails are made predominantly from proteins. Depending on the type of protein used, the structures made can be soft and pliable, like hair, or be designed for sturdiness, as is the case with nails. Some conditions, such as a fungal infection, can break down these proteins.

Even for those of you who don't opt for regular manicures, keeping your nails clean and cared for is an essential task. Cleaned, trimmed nails reflect good hygiene and encourage healthy digits.

Split fingernails are a condition that occurs when the nail bed becomes broken and separated. The nails are likely to be brittle and soft as well. It can give your nails an unattractive appearance and require that you grow the nails to improve the look.

Stepping on a nail can cause a painful wound on the bottom of your foot. Worse yet, puncture wounds such as those caused by a nail can cause an infection if not properly cared for.