Dr. Berg Warns: Vitamin B12 Deficiency Can Mimic Dementia Symptoms

March 5, 2025
Dr. Berg Warns: Vitamin B12 Deficiency Can Mimic Dementia Symptoms
  • A deficiency in vitamin B12 can produce symptoms that mimic dementia, as highlighted by health educator Dr. Eric Berg.

  • Vitamin B12 is essential for nerve function, red blood cell production, and cognitive health; insufficient levels can result in forgetfulness, weakness, and irritability.

  • Research indicates that low vitamin B12 levels are particularly prevalent among individuals over 65, with over 10% of older adults potentially affected.

  • Dr. Berg points out that a low intake of animal products is a major contributor to vitamin B12 deficiency, which is crucial for maintaining brain health.

  • He warns that nutrient deficiencies, including those of vitamins B1, B12, D, and minerals like zinc, can lead to hippocampal shrinkage, thereby increasing the risk of Alzheimer's disease.

  • Treatment for vitamin B12 deficiency generally involves high-dose supplements or injections, with many patients experiencing significant improvements within three to six months if treated promptly.

  • Other factors contributing to vitamin B12 deficiency include low stomach acid and certain medications that impede absorption.

  • A 2020 study established a clear link between low vitamin B12 levels and progressive cognitive decline, although further research is necessary for confirmation.

  • In the UK, the dementia crisis is underscored by an estimated 850,000 individuals currently living with the condition, reflecting a growing public health challenge as the population ages.

  • Early signs of dementia encompass forgetfulness, concentration difficulties, and mood changes, while advanced symptoms may lead to aggressive behavior and sleep disturbances.

  • To bolster brain health, Dr. Berg recommends dietary changes, such as adopting a keto diet and increasing the consumption of fatty fish and red meat.

  • Overall, addressing vitamin B12 deficiency is critical, as it plays a vital role in cognitive function and overall brain health.

Summary based on 2 sources


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