Edward Rubin, MD board-certified in Pain Medicine and Anesthesiology, with fellowship training at Cornell, Columbia, Hospital for Special Surgery, and Memorial Sloan Kettering
Cancer Cell 43 , 11591174.e8 (2025)
The symptoms do not identify a specific toxin, but they may justify a targeted review of environmental exposure, medications, alcohol, gut dysfunction, copperzinc balance, methylation and organ clearance
2020;22(5):S128
Therefore, serum B 12 values above the cut-off point of deficiency do not necessarily confirm adequate B 12 status
Parents researching IV drip age restrictions should ask about weight requirements in the same conversation, since many providers do not publish this information prominently