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Deficiency is particularly common in elderly people, because the ability to absorb vitamin B12 can decrease with age ( Other people at risk of deficiency include those who have had intestinal surgery, including weight loss surgery

Before transitioning into wellness and regenerative medicine, Karla worked in ICU and hospital environments, where she developed strong clinical assessment and patient management skills

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Many people brush them off as stress or lack of sleep, but they can signal something more specific: a vitamin B12 deficiency