The NHS notes that vitamin B12 and folate deficiency are more common in older people, affecting around 1 in 10 people aged 75 or over and 1 in 20 people aged 65 to 74.
People taking certain medications may also need monitoring. These may include metformin for diabetes and long-term acid-reducing medicines, depending on individual risk.
Why You Should Not Ignore Nerve Symptoms
Fatigue and mild anemia can often improve with treatment, but nerve-related symptoms deserve special attention. Tingling, numbness, balance problems, memory changes, and walking difficulty can sometimes become