However, they went on to say, “it is not specific, since similar effects may occur in other neurological illnesses, most commonly diabetic neuropathy”.
They added: “However, it may be worthwhile to investigate the utility of this sign, either as an instant screening test in the practitioner’s office or even for self-screening by patients at risk, most of whom own a mobile phone today.”
Other health bodies report the desensitising effects of B12 deficiency.
Bupa says B12 neuropathy, which relates to your nerves, decreases your sensitivity to touch, vibration or pain.
