How too many nangs resulted in spinal myelopathy: case

The young man's recreational nitrous oxide use interfered with his vitamin B12 metabolism, UK doctors report

A teenager’s recreational use of nitrous oxide has led to a functional vitamin B12 deficiency and myelopathy of the spinal cord, UK doctors report. 

The 19-year-old man presented to a London ED with a four-week history of worsening paraesthesia in his fingers and lower limbs. He also reported he’d had weakness in the hands and lower limbs for two weeks.