Anyone can be affected, but some groups are more at risk: Vegetarians and vegans, since B12 mainly comes from animal products Older adults, as absorption gets harder with age People with digestive issues like Crohns or coeliac disease Those taking certain medications, such as long-term metformin or stomach acid reducers People with pernicious anaemia, an autoimmune condition that stops you from absorbing B12 If you fit into one of these categories and notice symptoms, its worth getting your levels checked
It can also affect people with Crohns disease, or if you have had part of your stomach removed (a gastrectomy) as a result of cancer treatment
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Roth titled Diagnosis and Management of Dementia, published in The New England Journal of Medicine (2011), the MMSE has a sensitivity of 87% and specificity of 82% in detecting cognitive impairment
