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拥有一头乌黑美丽的头发是每一位同学的最爱,但是,在现实生活中我们会发现,有的同学十几岁头发就白了,医学上称之为少年白发,俗称“少白头”。少年白发给这些同学带来了无穷的烦恼。那么引起少白头的原因是什么?如何防治呢?
Having a beautiful black hair is the favorite of every classmate. However, in real life, we will find that some students have white hair in their teens. They are called white hair in medicine and are commonly known as “white heads”. ". Youth white hair has brought endless troubles to these classmates. What is the cause of less whiteheads and how to prevent it?