A B12 deficiency can cause anemia, which results in pale or yellowish skin due to a lack of healthy red blood cells. The skin may also appear blotchy or pale due to poor circulation.
3. Tingling or Numbness
One of the most alarming signs of a B12 deficiency is tingling or numbness in the hands, feet, or legs. This is due to nerve damage that can occur when B12 is deficient. It can also cause a “pins and needles” sensation.
4. Difficulty walking or poor coordination
Because B12 plays an important role in nerve function, a deficiency can affect coordination, balance, and muscle strength. This can lead to difficulty walking or a “wobbly” gait.
5. Memory problems or cognitive decline
B12 deficiency has been linked to memory problems, difficulty concentrating, and in more severe cases, even cognitive decline or dementia. It can impair mental clarity and lead to confusion or mood swings.
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