From routine annual physicals to emergency hospitalization, blood tests are viewed as important tools to help arrive at a medical diagnosis, and later to monitor the progress of various treatments prescribed. While there is the advantage that blood samples may be taken on a live or dead body, with or without consent, and under various other circumstances, they suffer from many flaws in regard to establishing nutritional requirements on an individual basis, and especially with patients who fall outside the so-called normal range... Full Text