Hello, My father Expired in 2002 he suffered with this disease for more than 6 months, doctors advised us for bone marrow transplant we were economically unfit for that. he used to smoke a lot. now i need to know whether my brother and me would get it. My brother is smoking a lot. He is not ready to quite smoking. Is leukemia because of smoking.what is the precaution should be taken.

:-(