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Nutrigenomics: How our lifestyles affect gene expression





gaajula
Achieving optimal health depends on a number of factors: getting enough physical activity, eating a healthy diet, keeping a positive mental outlook, maintaining a healthy weight, avoiding risky behavior such as smoking, and having good genes.

A gene is part of our DNA. It directs how cells operate and what they produce. Although our genes are passed on to us by our parents, and we don’t have choices regarding the genes we inherit, that doesn’t mean we can’t do anything about our genes. Genes act like dimmer light switches: they can be “turned on” and they can be “turned off.”

Lifestyle decisions such as smoking, degree of physical activity, and dietary choices affect the degree to which our genes are turned on or off. Scientists refer to this as “gene expression.”

Genes, Nutrients, and Some Good Nutritional Supplements
Foods provide nutrients that are used for fuel in energy metabolism and growth, and for the development of structural components of the body.
Some nutrients also help life-critical enzymes to function properly, especially those involved in metabolism and cellular integrity.
In addition, preliminary evidence suggests that certain nutrients may affect gene expression, including Omega-3 fatty acids, phytochemicals, and certain antioxidants.
In your quest for optimal health, you can take advantage of the science of nutrigenomics by selecting those Natural Organic Supplements which may help you meet your nutritional needs.

If you need more info on this subject, please ask your questions here and I will be able to answer them for you.
loryl
It's important to not be misleading here.

While our lifestyles affect the expression of our genes, it's imperative to note that some foods, even natural foods, that appear to be good for you have negative side effects as well. For instance, take soy products, which come from what nutritionists boast as a healthier alternative to everything. However, soy contains phytoestrogens (the prefix denotes that the hormone comes from a plant), which act as agonists or antagonists (depending on both the chemical and the receptor) to estrogen receptors. In general, in the breast and uterus, agonistic estrogen activity has been linked to breast and uterine cancers, respectively. In bone, antagonistic estrogen activity has been related to osteoporosis.

Now, consider what dietary supplements give you: multitudes of the amount of nutrients you need in a day. Vitamin C is, for instance, usually given in pills that are up to five times the daily recommended amount. If there are hidden negative effects to dietary supplements, how would taking 5x the amount be any better?

Be careful what you eat, especially if it's beautifully packaged and well marketed. You know that the company that made it doesn't consider your health to be of utmost importance.
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