I'd like to respond to a number of different elements.
The first one is that quinism is not a recognized diagnosis. It doesn't exist in the manual of diagnoses that we use when we're coding things.
It is also a hypothesis, and Dr. Nevin refers to it himself as a hypothesis. A hypothesis is an idea that is not fully supported by research. He's put some evidence together to outline his case. In the future, evidence might demonstrate that he is correct, but at the moment, the evidence is weak.
Some of the research he is drawing on, for example, some of these rat studies and so on that Colonel Jetly was speaking about a moment ago, refer to brain stem injuries, but some of the symptoms that people are describing would not be consistent with brain stem injuries.
There are some inconsistencies in this idea, and I'm not an expert in the brain and in mefloquine, but I've been reading the work of experts who criticize Dr. Nevin's work. I'm trying to extract the truth from this discussion at the expert level.
I remain unconvinced that this is what's going on, but I think we should not be so arrogant as to dismiss it. I think we have to be open to the possibility and continue to monitor the work that's being done. One day, I hope to have a definitive answer.