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Personalised nutrition: how far has nutrigenomics progressed?
1Institute for Cell and Molecular Biosciences and Human Nutrition Research Centre, The Medical School, Newcastle University, Newcastle upon Tyne, UK. j.e.hesketh@ncl.ac.uk
Personalized nutrition, based on genetic differences in nutrient metabolism, aims for optimal health. While genetic variants are identified, their direct link to multifactorial diseases remains unclear, requiring further research into complex genetic interactions.
Area of Science:
- Nutritional genomics
- Biochemistry
- Disease risk assessment
Background:
- Advances in genetic and biological information offer insights into individual nutrient metabolism.
- Personalized nutrition contrasts with public health nutrition, aiming for individualized dietary advice.
- Understanding genetic influences on nutrient metabolism is key to managing multifactorial diseases.
Purpose of the Study:
- To assess scientific progress in understanding genetic influences on nutrition.
- To evaluate the impact of genetic variations on multifactorial disease risk.
- To identify implications of current research for personalized nutrition.
Main Methods:
- Review of scientific literature on micronutrient and lipid metabolism.
- Analysis of genetic variants affecting nutrient metabolism.
- Assessment of links between genetic variations and multifactorial disease risk.
Main Results:
- Specific genetic variants influencing nutrient metabolism have been identified.
- Individual genetic variants are not conclusively linked to the risk of multifactorial diseases like cancer and cardiovascular disease.
- Multiple genetic variants collectively influence nutrient metabolism and health outcomes.
Conclusions:
- Personalized nutrition's impact may be less dramatic than initially expected.
- Future personalized nutrition will integrate complex genetic influences.
- Improved understanding will aid medical practitioners and dietitians in providing tailored dietary advice and developing biomarkers.
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