the most common ages to get leukemia are 5 years old and below and also 65 years old and above .
smoking gives you a higher chance of getting leukemia
if you have had chemotherapy in the past you are at a higher risk of developing leukemia
Exposure of ionizing radiation like X-rays or near a nuclear facility increases your risk of getting leukemia
Genetic factors that mat increase your risk of Leukemia are Down syndrome, Fanconi anemia, Bloom syndrome, Ataxia-telangiectasia, Li-Fraumeni syndrome, and Wiskott-Aldrich syndrome.
Human T-cell leukemia virus-1 (HTLV-1) and Epstein-Barr virus (EBV).
exposure to benzene
Myelodysplastic Syndromes (MDS), Myeloproliferative Neoplasms (MPN), Aplastic Anemia (AA), Paroxysmal Nocturnal Hemoglobinuria (PNH)