What is and what causes leukemia?

A member of my family has leukemia,so now everyone in my family has questions about leukemia. Like what is leukemia,What are the treatment options,And what causes leukemia. The doctor said that the person in my family either gets chemo or dies.But we still want too know what it is. And any information about... show more A member of my family has leukemia,so now everyone in my family has questions about leukemia.

Like what is leukemia,What are the treatment options,And what causes leukemia.

The doctor said that the person in my family either gets chemo or dies.But we still want too know what it is. And any information about it would be helpful.
4 answers 4