What are the chronic lymphocytic leukemia risk factors?

What are the risk factors for getting CLL?

So far we did not identify environmental risk factors associated with the occurrence of CLL for example smoking habits diets are not influencing the risk of developing chronic lymphocytic leukemia there is a genetic predisposition meaning that first degree relatives of patients with chronic lymphocytic leukemia are at higher risk of developing chronic lymphocytic leukemia but being in general a rare disease I mean because the prevalence is not anyhow comparable with the prevalence of let's say diabetes hypertension even in relative of patients with chronic lymphocytic leukemia the absolute risk is quite low.