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Fractional laser resurfacing produces excellent outcomes with minimal recovery time

Impairment can affect energy metabolism and nerve function

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For people correcting a genuine deficiency, subtle mood improvements often begin within two to four weeks, with more noticeable changes developing over one to three months as neurotransmitter production normalizes and overall energy improves

Common neurological manifestations include: Paraesthesia (pins and needles) in the hands and feet Numbness and altered sensation Difficulty with balance and coordination (ataxia) Memory problems and cognitive impairment Mood changes, including depression and irritability In severe cases, visual disturbances and confusion These neurological features arise from demyelination of peripheral nerves and the spinal cord, a condition known as subacute combined degeneration when it affects the posterior and lateral columns of the spinal cord