analysis control dietarysupplements diettherapy diseases environmentalhealth epigenesis fertility fitness functionalfood functionalfoods functionalgenomics genetic geneticaspects geneticdisorders geneticpredispositiontodisease genetics genetictechniques genomics health individualizedmedicine infertility medical medicalgenetics medicine metabolism metabolomics metagenomics methods nursing nutrition nutritionalphysiologicalphenomena nutritionalrequirements physiologicalgenomics prevention proteins proteomics