Personalized nutrition and the consumer

The pursuit of research on gene-environment interactions has the primary goal of gaining a better understanding of the impact of nature and nurture on an individual's metabolism. The ultimate goal is to translate this knowledge into practical applications that guide the individual in optimizing health. Some consumers are interested in health benefits of personalizing nutrition and other interventions and this has resulted in some genetic testing products being offered to provide 'personal dietary advice' for consumers. Two recent publications (Kornman et al., 2007; Arkadianos et al., 2007) provide some support for benefits of individualized genetic advice. Yet, the studies are very limited in size and tests offered have to be further validated and considerably improved to have a significant impact on individual and population health.

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