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Established Non-Genetic Causes of Leukemia
| Known Causes | Percentage Range (%) | Probable (%) |
|---|---|---|
| Benzene | <1 – 5 | 1 |
| Ionizing Radiation (+ cosmic) | <1 – 20 | 2 |
| Cancer Chemotherapy | <10 | 4 |
| Smoking | 5 – 25 | 10 |
| Formaldehyde | <1 – 20 | 1 |
| Subtotal | (< 8 – 80) | 18 |
|
| ||
| Unknown Causes | 82 | |
