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How Cortisol Can Interfere With Your Overall Health
By Dr. Len Lopez

  • Thyroid Function

  • Liver Function

  • Digestion

  • Immunity/Allergies

  • Blood Sugar Imbalances

  • Reproductive Function

  • Sleep Difficulties

  • Exercise

Stress has long been considered a major health problem.  Doctor’s are always telling us to reduce stress.  Unfortunately, most people only think of stress as worry, fear and anxiety.  They are thinking of mental stresses, but there are many different types of stress that are commonly overlooked.  Plus stress has a cumulative affect on our body.

We have been hearing a lot about cortisol and its association with weight gain.  But the impact of stress has a far-reaching impact on our health, affecting much more than just our ability to lose weight.

We know that stress triggers our adrenal glands to produce more cortisol and adrenaline, which are our primary stress hormone. It is the initial increase of cortisol and adrenaline that triggers our body to burn calories from carbohydrates and proteins, instead of fats.  In addition, we need to understand that excess production of our stress hormones begins to deplete and exhaust our adrenal glands, which have a direct impact on thyroid, liver, digestion, blood sugar, immune system, sleep and reproductive hormones.

Thyroid Function

Let’s first talk about thyroid function, because millions of people, predominately women, suffer from a sluggish thyroid and are taking medications such as Synthroid or Levothroid, to support their thyroid and help with fatigue and weight gain.

The thyroid produces hormones, which regulate our metabolism. Our metabolism is the rate at which our body burns calories to produce energy.  During periods of rest our metabolism is controlled by our thyroid hormones, but during times of stress.  When you are constantly on the go from the moment you wake up to the time you fall asleep your metabolism is being controlled by the hormones produced by your adrenal glands.

Since fatigue and weight gain are a growing problem, we need to look beyond the thyroid, because elevated levels of cortisol will interfere with the production of our thyroid hormones.  When this happens we reduce the number of active thyroid hormones, which explains why we get fatigued and gain weight, not to mention cold hands and feet, brittle nails and hair and constipation associated with decreased thyroid function. 

Unfortunately, the typical response is to take thyroid medications that increase those hormones, but don’t do anything about the real cause (cortisol), which decreases the production of our thyroid hormones, thereby interfering with normal thyroid function.

The real cause of poor thyroid function can often be attributed to stress, which overworks your adrenal glands, causing them to continually produce more cortisol.  This process continues until it reaches a point where it can’t produce enough cortisol -- this is when health problems become more severe and interfere with normal metabolic function.

Liver Function

Our liver is the main detoxifying organ in our body and performs over 500 functions!  One of the liver’s primary functions is to remove or package harmful fat-soluble toxins into less harmful water-soluble toxins, which can then be excreted.  When liver function is interfered with, or overwhelmed, we become susceptible to fatigue, headaches, allergies, acne, PMS, menopausal symptoms and weight gain.

Elevated cortisol will interfere with normal liver function by disturbing the detoxifying process.  It does this by literally unwrapping the toxins that have been packaged for elimination and throws them back into our bloodstream.  Just like thyroid function – liver function is disturbed by cortisol.

The negative effects you feel from your liver not functioning properly is a result of the additional poisons that are circulating in your bloodstream.  These additional toxins will cause “auto-intoxication”, meaning your body is continually self-poisoning.  How can you become healthier if your body is constantly in a state of pollution? It all originates from stress and the effect cortisol has on the liver and its ability to disrupt the detoxification process?

Digestive Function

Millions of people suffer from bloating, gas, indigestion, heartburn, acid reflux and other irritable bowel problems.  All of these can be linked to stress and cortisol.

The reason for this is simple… when you’re under stress, you produce more cortisol. Constant surges in cortisol erodes the intestinal lining of your digestive tract.  It begins to irritate and inflame your intestinal lining, which can ultimately lead to ulcerations in your digestive tract. These ulcerations make it easier for undigested food particles to pass or leak across your intestinal lining, into your blood stream.  When this happens, it makes your body more susceptible to food allergies and other harmful pathogens such as; yeast overgrowth, candida, and parasites.  These things are commonly, associated with bloating, gas, indigestion, heartburn and irritable bowel problems. 

The constant surge in stress, the so called “fight or flight” mode actually inhibits your stomach from digesting whatever food you recently ate.  Think about it, when you are running from the “proverbial saber tooth tiger” is your body thinking about digesting its food?  No, your stress hormones are signaling your body to run!  It’s causing your heart to beat faster, your blood pressure to go up – all in an attempt to push more blood out to your muscles so you can either run of fight.

How many people are woofing down their foods?  Eating on the run or in the car?  The fact that your digestive system literally shuts down during this state is one of the main reasons we have so many people struggling with bloating, gas, indigestion, heartburn, etc 

FYI….all those digestive problems are NOT a result of too much acid.  Remember your body doesn’t make acid when you are on the go.  It’s more of the fact that acid is VITAL and very much needed to breakdown protein.

Reproductive Function

Many women face decreased levels of progesterone, which is associated with hot flashes, bone loss, PMS, fertility, fatigue, weight gain, insomnia, decreased libido, etc.  The problem is pregnenolone and progesterone are being ‘stolen’, to make cortisol.  This is very important because in order to make cortisol….the adrenal glands need progesterone.  It is one of the raw materials needed to make cortisol.  So, if your adrenals are always stealing pregnenolone and progesterone to make cortisol – you may not have enough of those hormones which are needed to make DHEA, estrogen and testosterone.    

DHEA is called the anti-aging hormone because it is known to increase lean muscle tissue, burn stored body fat, balance blood sugar, improve memory and support immune function.

Ladies, keep in mind that as you approach menopause your ovaries stop functioning. Now, it is up to your adrenals to produce all your estrogen, progesterone, testosterone and DHEA. However, if your adrenals are exhausted, how are they supposed to pick up the slack and keep up the same pace as the ovaries? It doesn’t happen… which is why so many people struggle with menopausal difficulties.

Yes, men and women both make estrogen and testosterone, the only difference is that men make more testosterone and women more estrogen.  Don’t forget our libido is determined by our testosterone levels! If you’re always making cortisol, you may not be making enough testosterone, which could also explain your drop in libido…it could be stress related.

FYI...infertility and miscarriages are closely associated with low progesterone.  Progesterone is needed for gestation, growth of the embryo, but how can the body support  an embryo if all the progesterone is being used to make cortisol?

Immune/Allergy Function

It is well known that the more stress we place on ourselves, the weaker our immune system becomes.  How many times have we seen someone working long hours, not getting enough sleep, eating the wrong foods, etc., and then come down with some infection (cold, flu, bacterial or viral)?  The root of the problem is stress.! When cortisol is elevated, it begins to reduce the number of antibodies fighting to protect us from foreign invaders and as the number of antibodies go down our immune system becomes more susceptible. 

Allergies and sinus problems are a result of a weakened immune system.  They both are a result of some type of foreign invader entering our body, which triggers an immune response.  The adrenal glands activate our immune response, so if the adrenals are exhausted and depleted due to all the stress how good of an immune response can you have? 

FYI...over 50 percent of the immune system is found in the digestive system.  The constant irritation and inflammation in your digestive system weakens the immune system.  This is a major reason we have to address the digestive system at the beginning of any therapy.

Blood Sugar Imbalances

Cortisol and adrenaline affects our ability to regulate our blood sugar for two simple reasons.

  1. Elevated levels of cortisol will make your cells more resistant to insulin. This means your body will have to produce more insulin to stabilize your blood sugar.  This is a huge reason for the increase of reactive hypoglycemia, insulin resistance, Syndrome X and diabetes. When our cells become resistant to insulin, our pancreas now has to make more insulin…the result is all that extra insulin will cause your blood sugar to drop faster, plus insulin triggers your body to store fat.  Not something we want to see happen when we are trying to lose weight.

    After a meal, Insulin takes the sugar (carbs) out of the bloodstream and moves it into the cells, to be used for energy.  This is a good thing!  The problem occurs when our body produces too much insulin as a result of eating too many carbohydrates, which causes your blood sugar levels to drop too fast.  This leads to cravings, lightheadedness, headaches, mid-morning and mid-afternoon slumps, difficulty concentrating, moodiness, irritability if your meals are missed or delayed, and worst of all -- it makes you gain weight. 

    The reason excess insulin makes you gain weight is that it is a ‘fat storage hormone’.  But remember, Insulin, like cortisol, is not a bad hormone – it simply does what it is supposed to do, but it needs to be balanced.
     

  2. Cortisol and adrenaline also function to raise our blood sugar when it is dropping. But, if our adrenals are overworked and exhausted they can reach a point in time where they can’t make enough cortisol or adrenaline to help stabilize our blood sugar and that’s when the cravings, lightheadedness, irritability, etc. begin.

It’s all about balance…too much, or too little cortisol is not good.  Healthy adrenal function will help keep cortisol and adrenaline in balance.

Sleep Difficulties

Sleep is so important to our health, yet it is so often disregarded.  Sleep us when the body releases most of its growth hormones (GH) and testosterone that work to repair and regenerate the body    

The two classic problems associated with sleep, both are stress-related:

  1. The inability to fall asleep. This is a sign that your body is in the ‘fight or flight’ mode.  Your adrenaline and cortisol levels are elevated – your body is still running in high gear.  Adrenaline is a brain stimulant!  How can your body fall asleep when you have all these stimulatory brain messengers running through the body?

  2. You fall asleep quickly, but wake up in the middle of the night and can’t go back to sleep.  This is a sign that your cortisol levels are probably low, due to depleted or exhausted adrenal function. The reason you awaken in the middle of the night is because instead of releasing cortisol to raise your blood sugar, which is not stimulating.  The adrenals will have to release adrenaline, which also works as a brain stimulant.  This is why so many people say I wake up and my mind is racing with so many thoughts.  Of course it is…you just released some adrenaline in the middle of the night.    

FYI…Sleep is so important because that is when your body releases hormones (growth hormones, IGF-1, melatonin and testosterone) that repair and regenerate your body. Elevated levels of cortisol will interfere with the production and release of these hormones.  

Chemical Imbalances…Depression, anxiety and mood swings

The constant demand to produce additional cortisol and adrenaline causes a decreased production of another brain messenger called serotonin.

Drug companies know that a drop in serotonin, a neurotransmitter (brain messenger) that helps you relax, calm down and feel pleasure is associated with depression, anxiety, mood swings, even PMS and cravings.  This is why they have heavily marketed antidepressant and anti-anxiety medications, also know as Selective Serotonin Reuptake Inhibitors (SSRI).

The only problem is that these drugs only manipulate how your body deals with what little serotonin your body is producing instead of addressing the cause.

FYI…a majority of your serotonin is made in the intestines.  If you are struggling with digestive issues…it could be interfering with the production of your feel good brain messenger.  Also, serotonin is needed to make melatonin, a powerful antioxidant that is released while we sleep.  Melatonin is needed to activate your natural killer cells (NK), which are your best defense against cancer.

Exercise and Over-training

 

The benefits of exercise come when we sleep and rest.  The training is when we literally tear down the muscle.  The repair process is critical if you are trying to add lean muscle tissue to the body. 

One of the classis problems from people struggling with too much stress and adrenal fatigue is that they can’t add or develop new muscle even though they are working out diligently.  This is because the more intense the workout is – the more cortisol and adrenaline is produced. Cortisol can interfere with the release of our growth hormones (GH), testosterone and insulin growth factor (IGF-1) which our major building blocks involved in the growth and maintenance of our musculoskeletal system.  Elevated cortisol and adrenaline will affect your recovery and results by interfering with the release of various hormones. If your body is not able to repair and you continue to exercise and tear down the muscle.  You can easily reach a point of over-training.  When that happens all muscle growth diminish.

In Summary

Don’t assume that everyone’s cortisol is too high, and it needs to be lowered.  In fact, people who have been under stress for long periods of time may not be producing enough cortisol and adrenaline. This can be worse than over-production, due to the fact that stress has been prolonged and the adrenals are depleted and exhausted.   

The symptoms are similar, which is why often times we like to measure cortisol and DHEA to determine if they are producing the right amounts.  Either way, Adrenal Fuel is a two phase Stress Recovery Formula, designed to re-nourish and re-balance your adrenals and thyroid by using ‘adaptogenic herbs’ to help stabilize your hormones.

Stress does have a profound effect on our health, not just our ability to lose weight.  It could be at the root of so many of the health complaints that are affecting our nation.  If you suspect stress might be a problem and a cause to your health complaint, let me invite you to take our Stress Test.  

Secondly, you need to identify what types of stress are affecting your body. Stress is more than just mental and emotional.  If you want to learn more about the other types of stress, we encourage you to read “To Burn or Not to Burn, Fat is the Question”.


 

Dr. Len Lopez began his career with a goal to treat patients with natural methods. He holds a number of certifications, including Certified Clinical Nutritionist (C.C.N.), Certified Chiropractic Sports Physician (C.C.S.P.), Certified Strength and Conditioning Specialist (C.S.C.S.), with additional training in Applied Kinesiology and Homeopathy. Dr. Lopez has appeared on numerous TV and radio programs and is the author of the book To Burn or Not to Burn - Fat is the Question. His approach to healing is very simple - treat the cause, not the symptom!

 

 

 
 

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