visual clarity.
Because vision problems can have many possible explanations, they should never be self-diagnosed as a nutritional deficiency.
Sudden vision loss or sudden changes in vision require urgent medical assessment.
- Unexplained Weakness and Reduced Physical Performance
Some people notice that their physical performance gradually declines.
Tasks that previously felt easy may become more difficult, and they may feel exhausted after relatively little activity.
This can occur when B12 deficiency contributes to anemia or neurological problems.
If weakness is persistent, worsening, or accompanied by numbness, balance difficulties, or other unusual symptoms, seek medical advice.
Who Is More Likely to Develop
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