Nick Hanson: Before a Dementia Diagnosis Check Vitamin B12
Nick Hanson, Founder of Calibrated Signal and Calibrated Age, Registered Nurse at Mayo Clinic, shared a post on X:
“Before anyone in your family accepts a dementia diagnosis, make sure somebody checked a vitamin B12 level.
B12 deficiency can produce memory loss, confusion, depression, and numb or tingling feet, and gets more common with age as stomach acid, needed to absorb B12 from food, declines.
Two common drugs deplete it: metformin (the first-line diabetes drug) and long-term acid blockers like omeprazole. This is one of the few reversible causes of cognitive decline, part of the standard dementia workup for that reason.
Over 60, vegan, or on either drug for years: ask for the test at your next physical.”
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