See also https://twitter.com/garymarcus/status/1512067689908375556?s=21 &t=P-TTB1D_BllCLGK4-NgZbg0 or https://garymarcus.substack.com/p/what-does-it-mean-when-an-ai-fails (both checked 08/22) in this connection. References Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khale...
It should be noted that a high reading of serum B12 does not mean you’re “cured”. If you are still having deficiency symptoms, you still have a deficiency. The only way to know how much b12 in your blood is actually being used by your body is an Active B12 test, which are hard...