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Thyroid and Brain Fog

Meaning

Thyroid and Brain Fog describes the clinical phenomenon where an imbalance in thyroid hormone levels, particularly hypothyroidism, leads to a constellation of cognitive symptoms characterized by mental cloudiness, impaired concentration, and memory lapses. This is not a formal medical diagnosis but a widely reported patient experience that signifies a direct impact of thyroid status on central nervous system function. It highlights the critical dependence of the brain on adequate thyroid hormone for optimal metabolic and neurotransmitter activity. Addressing this fog requires comprehensive assessment of the entire thyroid axis.