Grains…what they do to our body!

Again, I am asked about grains and what they do to our bodies and why I don’t eat them anymore (except maybe a granola or brown rice cracker here and there). It is possible! Took me a while, but my body feels the best it has ever!  And I have been in the nutrition field since 2001 and a personal trainer before that.  Here’s some info about grains!

Grains have a particularly high concentration of two types of lectin.  Lectins are a class of proteins (of which gluten is one) that are present in all plant life to some degree.  Two sub-classes of lectins, prolamins (like gluten) and agglutinins (like wheat germ agglutinin) are of particular concern for human health.  These lectins are part of a plant’s natural protective mechanism (from predators and pests) and are usually concentrated in the seeds of the plant (which is why grains and legumes have so much).  So what happens when we eat these proteins?  Similar to what occurs in individuals with celiac disease (basically, a super exaggerated form of the sensitivity we all have to gluten and other lectins), these lectins can either damage and kill the cells that line your intestines or directly causes spaces to open up between your gut cells.  This causes little holes in your intestines; so, things that are not supposed to get into your blood stream leak out.  This “leak” is made worse by the fact that lectins bind to sugars and other molecules in the gut and then “help” these random other molecule leak into the blood stream.  There are many things in your gut (like E. coli) that are supposed to stay there; and, when they leak into the blood stream, they cause a low level of systemic inflammation.  This can set the stage for many health conditions, including cardiovascular and auto-immune diseases.

There are many lectins and some are more harmful than others.  Gluten is by far the most damaging lectin, but non-gluten containing grains still contain lectins. Wheat germ agglutinin is a very close second in terms of negative impacts on health (it has the added effect of stimulating inflammation), which is why the simple act of removing wheat from your diet a la Wheat Belly by Dr. William Davis can make such a difference to people’s health.  And while some of the other “blacklisted” foods are okay for occasional consumption (like dairy, beans and rice), I suggest a lifelong dedication to gluten and wheat avoidance.  It can take up to six months for your gut to fully heal after a single gluten exposure (seeHow Long Does it Take the Gut to Repair after Gluten Exposure?).  Beyond the fact that some lectins are more problematic than others, dose is another important factor here.  The vegetables and fruits that our prehistoric ancestors ate in large quantities are generally very low in lectins (and typically contain lectins that interact much less strongly with the gut barrier than those in grains).  Grains (especially wheat) and legumes (especially soy) are very high in prolamins and agglutinins, the two sub-classes of lectins with the greatest negative impact on the barrier function of the gut (where the gut is supposed to selectively allow digested nutrients from our foods into our body and keep out everything else).  And, if damaging your gut lining and causing systemic inflammation isn’t enough, lectins are also anti-nutrients, which means that they stop you from absorbing many of the vitamins and minerals in your food (like calcium!).

On top of all this, grains are highly acidic foods (at the level of your kidneys, not your stomach).  Another aspect of paleolithic nutrition is to balance your intake of acidic and alkaline foods (I will expound on acid-base balance in a future post).  Generally, meat, eggs and fish are acidic and we balance this with lots of vegetables and some fruit, which are alkaline.  When grains are in our diet, it is nearly impossible to eat enough alkaline foods to balance this out and the result is strain on the kidneys, liver and pancreas.

If this is way over your head or to much info, it’s ok! It is hard to process all this because our Standard American Diet doesn’t teach us this.  It teaches us the opposite. To eat lots of whole grains! Well, that is not the case anymore! It is actually causing autoimmune conditions, diseases, and even cancer. Our bodies were not designed to eat the SAD way! As a board certified clinical nutritionist, my job is to educate you on what is healthy and what your body does need so you stay healthy and can achieve optimal wellness!  And most grains today if they are not organic, are GMO’s. That’s another blog post from earlier you can read on my site! Grains...what they do to our body! | Wellness 1st

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source: The Paleo Mom (the  Nov, 2011.

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