Dosage not high enough. DU is not able to give an acute high whole body dose. If indeed the opinion of others about a high risk of DU would be true these people would have died of cancer including leukaemia at young age. Misinterpretation of a sad coincidence is possible . Clusters of leukaemia must be investigated.
Clusters are regions in which a sudden and astoundingly high number of e.g. leukaemia occurs.
Epidemiology may suggest, not prove a causal relationship. Some soldiers with leukaemia have not been in contaminated regions. The U-236 issue. In the samples of ammunition an uranium isotope has been found that is absent in nature. DU is a by-product of enrichment of natural uranium.