Strengths and limitations of biological biomarkers over dietary estimation

3 Strengths and limitations of biological biomarkers over dietary estimation 

As indicated earlier, biomarkers can substitute traditional dietary estimations (Kristal et al, 2005), although in some situations, these latter are still indispensable, either because of the lack of suitable nutritional biomarkers or owing to economic limitations (Kelemen, 2006). However, as Beaton et al (1997) stated There will always be error in dietary assessments. The challenge is to understand, estimate, and make use of the error 

Structure during statistical analysis. Being aware of this mistake is necessary to recognize the biomarkers that identify real consumption. 

There are three principal reasons for using nutritional biomarkers instead of dietary data (Potischman, 2003 Kelemen, 2006). 

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