instalment 7: dietary supplements that may be helpful
While I discourage the use of most dietary supplements, there are exceptions. One is Vitamin B12 (cobalamin). Read this instalment to find out why.
Read moreCOVID-19 mortality and vaccine efficacy in nursing homes: does vitamin B12 deficiency play a role?
Henry Olders, P.Eng, MD, FRCPC Affiliate Member, Dept of Psychiatry, McGill University, Montreal, Canada Abstract It is believed that nursing home residents experience more disease severity and higher mortality from COVID-19, compared to community-dwelling elderly with similar comorbidities. Among the possible explanations for this phenomenon is the difference in vitamin…
Read moreDo 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 morePoster: Testing for Vitamin B12 Deficiency in the Elderly
This poster was presented at the Research Day of The Health Outcomes Axis of the MUHC Research Institute and the McGill Division of Geriatrics, held on 2012-5-15 at the McGill University New Residence Hall. Download a pdf of the poster here: Poster An earlier version, titled “Improved detection of Vitamin B12…
Read moreB12 and cognition: what the guidelines don’t say
This article was published in the Parkhurst Exchange, in the May 2011 issue. There is also an editorial on this topic by Steve Blitzer, MD, Medical Editor, on page 7 of the same issue.
Read moreLetter 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 moreMemorandum to Ste. Anne’s Hospital physicians re methylmalonic acid test reference range
Memorandum To: All physicians From: Henry Olders, MD Date: 2007-7-25 Subject: Methylmalonic acid test reference range As you are aware, the hospital has adopted a protocol for Vitamin B12 treatment that requires laboratory confirmation of a B12 deficiency. I have stated my position that this is bad medicine, as it…
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 moreShould we give Vitamin B12 to all our elderly patients?
This presentation was given on 2006-1-12 at Ste. Anne’s Hospital, Ste-Anne-de-Bellevue, Québec. An earlier version of this talk, entitled “Vitamin B12 deficiency: a silent epidemic? was given at: • Department of Psychiatry Clinical Grand Rounds, Sir Mortimer B. Davis – Jewish General Hospital, 2000-11-9 • Department of Psychiatry Grand Rounds,…
Read moreLooking after our own health: what can we do?
Presentation as part of a panel discussion, AMI-Quebec, Montreal, QC, on 2003-11-24. Download a pdf of the presentation slides and notes.
Read moreNeurobiological abnormalities in pernicious anemia: metabolic mechanisms
Olders H. Neurological abnormalities in pernicious anemia: metabolic mechanisms. Undergraduate medicine term paper, McGill University, 14 Apr 1978 Download a pdf of the article.
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