H2 blockers linked to mental decline?

This article on WebMD should be of interest to folks who are taking Pepcid to combat Asian Blush.

Aug. 3, 2007 – Long-term use of H2 blockers, including Axid, Pepcid, Tagamet, and Zantac, may increase the risk of mental decline in later life...

The study showed that after taking into account other factors, elderly people who reported "continuous use" of H2 blockers had a 2.4-fold higher chance of some form of cognitive impairment.

The article cites a study on 1,558 over-65 African-Americans, and only concludes that more study is needed.