Although our article does not explicitly show any causal relationship between medications and disease, there is no question that the implicit message of our article is that such a relationship might be present and should be investigated. I am pleased that a prospective trial, such as the PROSPER trial now in progress, is being performed.
Wolozin B, Siegel G. In reply. Arch Neurol. 2001;58(6):1023-1024. doi: