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Health Works Collective > Policy & Law > Public Health > Your Genes Need Not Be Your Fate: Nutrigenomics To The Rescue
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Your Genes Need Not Be Your Fate: Nutrigenomics To The Rescue

StephenSchimpff
Last updated: May 6, 2012 9:01 am
StephenSchimpff
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Are you concerned about a family history of heart disease? Or cancer? Worried that you genes will be your fate? We know that good dietary habits are generally good for us but can foods affect our genes? The new science of nutrigenomics suggests that they can.
 
Nutrigenomics is about using what you eat to change your gene expression (meaning how your genes function) to optimize your health.  

 

Are you concerned about a family history of heart disease? Or cancer? Worried that you genes will be your fate? We know that good dietary habits are generally good for us but can foods affect our genes? The new science of nutrigenomics suggests that they can.
 
Nutrigenomics is about using what you eat to change your gene expression (meaning how your genes function) to optimize your health.  

 

Nutrigenomics is the science of how bioactive chemicals in foods and supplements alter the molecular expression and/or structure of an individual’s genetic makeup. It is apparent that one size does not fit all when it comes to nutrition. We have become aware of the limitations of population-wide advice such as the food guide pyramid. Second generation approaches have proliferated with pyramids tailored for children, the elderly, ethnic groups, vegetarians, etc. Although these attempts are steps in the right direction, they do not take full advantage of the breakthroughs in biomedical science. Fortuitously, this realization has come at a time of great expansion of knowledge with the genomics/informatics revolution. 

Nutrigenomics is a young science and built around the revolution in genomics. As such, the science is still evolving. The excitement about nutrigenomics comes from a growing awareness of the potential for modifications of food or diet to support health and reduce the risk of obesity and many deadly chronic diseases.  

Nutrigenomics will become a critical part of the entire “personalized medicine” concept that is revolutionizing medical practice as discussed in detail in The Future of Medicine – Megatrends in Healthcare. Personalized (or “custom tailored”) nutrigenomics medicine is an approach that means it is possible to have a direct impact on long term health and longevity by very specific dietary manipulations. Nutrition will no longer be “one size fits all.” 

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Nutrigenomics offers hope to those who know they have a strong family history of heart disease, cancer, diabetes, obesity, and most likely many other diseases as well. At the same time it takes away the excuse of “everyone in my family is overweight so I am too.” One no longer needs to be fatalistic in this regard and hope may lie at the end of a fork.  

Nutrigenomics is not a phenomenon, a fad, or a technique to use in a vacuum. It is best as part of a total approach to lifestyle management. 

It is increasingly apparent that various foods directly affect critical genes – turning them off or on as the case may be – and thereby directly impacting the development of atherosclerosis, diabetes, many cancers and obesity, among others. The foods that we consume play a role in how genes that affect our health are expressed, or “turned on” and “turned off”.  

For example, we know that broccoli is good for us because it is one of the most nutrient dense foods that we can consume. One of the reasons that consuming broccoli may enhance our health is that many of the nutrients in broccoli have been shown to turn on genes that protect from disease and turn off genes that increase the risk of disease. For example, a nutrient in broccoli called sulforaphane has been shown to turn off genes that cause many forms of cancer. The omega-3 fatty acids found in salmon, grass-fed beef, walnuts, flax seeds, and fish oils appear to turn on genes that protect against heart disease and its risk factors. These are just a few examples of how eating a nutrient dense diet can improve health by turning on genes that protect from disease and turning off genes that cause disease.  

It is important to realize that processing foods removes or destroys phytonutrients. Hence, processed foods contain less or no phytonutrients, and this lack of phytonutrients along with chemicals that directly affect our cells’ genes explains, in part, why overconsumption of processed and ultraprocessed foods contributes to chronic disease. 

See the Future of Medicine – Megatrends in Healthcare for a fuller discussion of the implications of genomics. And watch for new developments in this fast moving new science. 

Remember, nutrigenomics has made it clear that your genes need not be your fate! Just because you have a family history of a certain disease does not mean that you are also destined to become a victim.

TAGGED:genomicsnutrigenomics
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