Why nail gets white?

We see white color on the upper part of the nail sometime. People has lots of spiritual belief regarding this. Even they says that they will be getting new clothes if this happens, but this is joint with the health related issues.

Wound on nail: When the nail gets white scars on it this condition is called Leukonychia When the nail gets wounded or pressed this is seen. If you are injured than this is seen after long. You can understand this when your nail gets white. When your nail is pressed on door or stone this happens.

Allergy: This might cause due to the allergy of nail polish as well. This happens due to various chemicals on nail polish.
Lack of Zinc: When there is lack of zinc on body, this happens. If people eat the food that contains zinc you can get rid from such problems. You can eat pulses, pork, carbohydrate and seeds from which you get zinc.
Lack of protein: Due to lack of protein the scars is seen on nail but when the label of protein is mentioned on body this will be prevented.
Lack of calcium: You need to eat the food that contains calcium because this problems occurs due to lack of calcium as well.

Symptoms of serious disease:
This might be the symptoms of some serious disease as well. If this scars on nail is for long than you need to consult to doctor immediately.

Prevention methods
Doing moisturize with vitamin-e or lotion, while doing this it must touch to the skin of nail.
Eating the food that contains calcium, protein and vitamin.
Eating fruits that contains vitamin-c
Eating the food that is rich in zinc, iron and sulfur.