以下英语文献由百度翻译：

热门问题：一个人怎么会得白癜风？ How does one get vitiligo?

热门回答：      
Vitiligo occurs when pigment-producing cells called Melanin to die or stop functioning. The involved patches of skin become lighter or white. This loss of skin color can affect any part of the body, including the mouth, hair, and eyes. The extent and rate of color loss from vitiligo is unpredictable.

白癜风发生时，色素生产细胞称为黑色素死亡或停止功能。受累的皮肤斑块变浅或变白。皮肤颜色的丧失会影响身体的任何部位，包括嘴巴、头发和眼睛。白癜风引起的颜色损失的程度和速度是不可预测的。

It’s unclear exactly what causes these pigments cells to fail or die. It may be related to:

目前尚不清楚究是什么原因导致这些色素细胞失效或死亡。这可能与：

A disorder of the immune system (an autoimmune condition)

免疫系统紊乱（自身免疫性疾病）

Family history (heredity)

家族史（遗传）

A trigger event, such as stress, severe sunburn, or skin trauma, such as contact with a chemical.

触发事件，如压力、严重晒伤或皮肤创伤，如接触化学品。

Loss of or change in color of the inner layer of the eyeball (retina)

眼球内层（视网膜）颜色的丧失或改变

However, there is no complete Cure for Vitiligo Found to date. But many Dermatology Pharmaceutical Companies have marketed certain Vitiligo Medicine or Cream like Melacyn and products for reducing the inflammation and restoring the natural color.

然而，迄今为止还没有发现白癜风的方法。但是许多皮肤科制药公司已经在市场上销售了某些白癜风药物或像美拉欣这样的乳霜，以及用于炎症和恢复自然颜色的产品。

Apart from these Vitiligo Medicine, many external treatment options like laser therapy, depigmentation, and home remedies are also available for reducing the pigmentation caused by vitiligo.

除了这些白癜风药物，许多外部治疗选择，如激光治疗、脱色和家庭治疗也可用于减少白癜风引起的色素沉着。