There are many symptoms of having deficiency anaemia, impacting everything from your energy levels to your mouth.
However, according to experts from Harvard Health, one symptom people may not be aware of is described as a “strange sensation”.
Based on a case study, Harvard Health explains how a lack of vitamin B12 in the blood can lead to “numbness and a ‘pins and needles’ sensation in the hands”.
The old man, who the case study is based on, also experienced “trouble walking, experienced severe joint pain, began turning yellow, and became progressively short of breath”.
READ MORE: Arthritis: ‘Potential to improve frailty with treatment’