Do PPIs suppress B12?

This letter to the Editor was published in the November 2001 issue of Parkhurst Exchange, p7 Gentlemen: In the June 2001 issure of Parkhurst Exchange, your consultant AS reported no serious side effects from the longterm use of pantoprazole, to his knowledge. Gastric acid suppressive therapy in general has been…

Read more



Letter to the Editor: PPIs, B12, and falls. Comment on ‘Use of proton pump inhibitors and risk of osteoporosis-related fractures’

This letter to the editor of the “Canadian Medical Association Journal” was published electronically on the CMAJ website, on 2008-11-18, in response to this article:  Targownik LE, Lix LM, Metge CJ, Prior HJ, Leung S, Leslie WD. Use of proton pump inhibitors and risk of osteoporosis-related fractures. CMAJ. 2008;179:319-326. Article…

Read more


“Sleeper cells”

Letter to the Editor of the Montreal Gazette. It appeared in the 2006-3-8 edition under the heading “Lack of vitamin B12 also causes lesions”. The article “Brain’s ‘sleeper cells’ stalking boomers” (7 mar 2006) points out that white matter lesions in the brain predict stroke and dementia. It fails to…

Read more