26th August 2024

A 49-year-old woman presents with a 2-month history of progressive burning sensations in her legs

A 49-year-old woman presents with a 2-month history of progressive burning sensations in her legs, she also notes some difficulty walking with weakness in her legs. Around two weeks ago, she was involved in a car accident and sustained a whiplash injury. She has a history of type 2 diabetes (diet controlled), hypertension, coeliac disease, hepatitis C, and previous infectious mononucleosis. She admits to using poppers recreationally.  Her symptoms are thought to be in keeping with subacute combined degeneration of the cord. Which part of the above history represents the strongest risk factor for the condition?

Select the SINGLE most appropriate option from the list below. Select ONE option only.