Vitamin B12: Visual tracking problems could cause problems when driving

Based on further laboratory findings, the patient was eventually diagnosed with psychomotor regression due to vitamin B12 deficiency.

The rare condition is characterised by the onset of neurological deterioration which eventually progresses to severe intellectual disability and other complications.

Patients tend to experience a slowing down of thought before noticing a deterioration of physical movement.

The good news is that addressing the underlying cause will usually correct the regressive behaviour.

Unfortunately, however, vitamin B12 deficiency can be hard to diagnose since symptoms are usually vague and lab test results often produce equivocal results.

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