Yes, I definitely think it should be considered as a major factor. If you have a clear causal relationship—and this is what we've just been discussing—then it is common sense that there needs to be a validation of that causality within the diagnosis.
One of the significant issues that veterans have faced is the fact that the role of the drug in their ongoing medical conditions has not been formally acknowledged and has therefore not been allowed to be taken into account in their treatment and in the consideration of the life circumstances around how their particular medical condition arose.
There has been a significant amount of money, for example, focused on PTSD research, which is a very valid cause, but this is an equally valid cause with an equally well-described and well-contained disease status.