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What Are Endocrine Disruptors and Should You Be Concerned?

by Dr. Thomas K. Lo, Advanced Chiropractic & Nutritional Healing Center

Endocrine disruptors are natural or synthetic chemicals that mimic or block the action of natural hormones and that may disrupt the body’s endocrine system. Your endocrine system is made up of several organs called glands. These glands, located all over your body, create and secrete hormones. Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles, and other tissues. These signals tell your body what to do and when to do it.

A wide range of substances, both natural and man-made, are thought to cause endocrine disruption. They are found in everyday products, including plastic bottles, metal food cans, detergents, flame-retardants, food, toys, skin creams, and pesticides.

Endocrine Disruptors: The Dose Does Not Make the Poison

When it comes to chemicals and toxicology, it seems logical to think higher doses of something are more dangerous because the health impacts are immediate and obvious. However, with endocrine disruptors, even seriously tiny doses can lead to devastating health effects. Sometimes, these health impacts do not show up for years or even decades down the line after exposure. In addition, unlike high-dose poisonings, it is not as easy to make the cause-and-effect connection.

Our hormonal systems are so delicate that even tiny exposures to endocrine-disrupting chemicals at key points of development could set us up for disease later in life. We are talking exposures measured in the parts per billion. To put that into context, it is like one drop in 20 Olympic-sized swimming pools.

The ‘Dirty Dozen’ Endocrine Disruptors

With more than a thousand potential hormone disruptors out there, the Environmental Working Group (EWG) scientists created a list of the 12 most damaging and prominent endocrine disruptors to avoid.

BPA

This synthetic hormone can trick the body into thinking it is the real thing. It has been linked to everything from breast and other cancers to reproductive problems, obesity, early puberty, and heart disease. According to government tests, 93 percent of Americans have BPA in their bodies.

You can avoid BPA by eating fresh and avoiding food out of cans. Say no to receipts, since thermal paper is often coated with BPA. Avoid plastics marked with a “PC” for polycarbonate, or recycling label #7. Not all of these plastics contain BPA, but many do. For more tips, check out: www.ewg.org/bpa/.

Dioxin

Dioxins form during many industrial processes when chlorine or bromine are burned in the presence of carbon and oxygen. Dioxins can disrupt the delicate ways that both male and female sex hormone signaling occurs in the body. Recent research has shown that exposure to low levels of dioxin in the womb and early in life can both permanently affect sperm quality and lower the sperm count in men during their prime reproductive years. Dioxins are very long-lived, build up both in the body and in the food chain, are powerful carcinogens, and can affect the immune and reproductive systems.

It is very hard to avoid because the ongoing industrial release of dioxin has meant that the American food supply is widely contaminated.

Atrazine

Researchers have found that exposure to even low levels of this herbicide can turn male frogs into females that produce completely viable eggs. Atrazine is widely used on the majority of corn crops in the United States, and consequently, it is a pervasive drinking water contaminant. Atrazine has been linked to breast tumors, delayed puberty, and prostate inflammation in animals, and some research has linked it to prostate cancer in people.

You can avoid it by purchasing organic produce and get a drinking water filter certified to remove atrazine. For help finding a suitable filter, check out EWG’s buying guide: www.ewg.org/report/ewgs-water-filter-buying-guide/.

Phthalates

Did you know that a specific signal programs cells in our bodies to die? It is totally normal and healthy for 50 billion cells in your body to die every day! However, studies have shown that chemicals called phthalates can trigger “death-inducing signaling” in testicular cells, making them die earlier than they should. Studies have also linked phthalates to hormone changes, lower sperm count, less mobile sperm, birth defects in the male reproductive system, obesity, diabetes, and thyroid irregularities.

You can avoid it by avoiding plastic food containers, children’s toys (some phthalates are already banned in kid’s products), and plastic wrap made from PVC, which has the recycling label #3. Some personal care products also contain phthalates. It is best to read the labels and avoid products that simply list added “fragrance,” since this catchall term sometimes means hidden phthalates. Find phthalate-free personal care products with EWG’s Skin Deep Database: www.ewg.org/skindeep/.

Perchlorate

This is a component in rocket fuel and contaminates much of our produce and milk, according to EWG and government test data. When perchlorate gets into your body, it competes with the nutrient iodine, which the thyroid gland needs to make thyroid hormones. This means that if you ingest too much of it, you can end up altering your thyroid hormone balance. This is important because these hormones regulate metabolism in adults and are critical for proper brain and organ development in infants and young children.

You can reduce perchlorate in your drinking water by installing a reverse osmosis filter. As for food, it is difficult to avoid perchlorate, but you can reduce its potential effects on you by making sure you are getting enough iodine in your diet.

Fire Retardants

In 1999, some Swedish scientists studying women’s breast milk discovered that the milk contained an endocrine-disrupting chemical found in fire retardants, and the levels had been doubling every five years since 1972! These incredibly persistent chemicals, known as polybrominated diphenyl ethers or PBDEs, have been found to contaminate the bodies of people and wildlife around the globe—even polar bears. These chemicals can imitate thyroid hormones in our bodies and disrupt their activity. That can lead to lower IQ, among other significant health effects. While several kinds of PBDEs have now been phased out, they are persistent, so they will contaminate people and wildlife for decades to come.

It is virtually impossible to avoid, but passing better toxic chemical laws that require chemicals to be tested before they go on the market would help reduce our exposure. A few things that you can do in the meantime include: use a vacuum cleaner with a HEPA filter, which can cut down on toxic-laden house dust; avoid reupholstering foam furniture; take care when replacing old carpet (the padding underneath may contain PBDEs). Find more tips at www.ewg.org/pbdefree/.

Lead

Lead harms almost every organ system in the body and has been linked to a staggering array of health effects, including permanent brain damage, lowered IQ, hearing loss, miscarriage, premature birth, increased blood pressure, kidney damage, and nervous system problems. Few people realize that another way lead may affect your body is by disrupting your hormones. Research has also shown that lead can disrupt the hormone signaling that regulates the body’s major stress system.

You can avoid lead exposer by keeping your home clean and well maintained. Crumbling old paint is a major source of lead exposure, so get rid of it carefully. A good water filter can also reduce your exposure to lead in drinking water. Studies have also shown that children with healthy diets absorb less lead.

Arsenic

This toxin is in your food and drinking water. In smaller amounts, arsenic can cause skin, bladder, and lung cancer. It also messes with your hormones! Specifically, it can interfere with the normal hormone functioning that regulates how our bodies process sugars and carbohydrates, which has been linked to weight gain/loss, protein wasting, immunosuppression, insulin resistance (which can lead to diabetes), osteoporosis, growth retardation, and high blood pressure.

You can reduce your exposure by using a water filter that lowers arsenic levels.

Mercury

This naturally occurring, but toxic metal, gets into the air and the oceans primarily though burning coal. Eventually, it can end up on your plate in the form of mercury-contaminated seafood. Pregnant women are the most at risk from the toxic effects of mercury, since the metal can concentrate in the fetal brain and can interfere with brain development. Mercury can also bind directly to one particular hormone that regulates women’s menstrual cycle and ovulation, interfering with normal signaling pathways. The metal may also play a role in diabetes, since mercury has been shown to damage cells in the pancreas that produce insulin, which is critical for the body’s ability to metabolize sugar.

You can avoid mercury in your seafood by choosing wild salmon and farmed trout.

Perfluorinated Chemicals

(PFCs)

This is what industry used to use when making non-stick cookware. They are so widespread and extraordinarily persistent that 99 percent of Americans have these chemicals in their bodies. One particularly notorious compound called PFOA has been shown to be “completely resistant to biodegradation.” That means that even though the chemical was banned after decades of use, it will be showing up in people’s bodies for countless generations to come. This is worrisome because PFOA exposure has been linked to decreased sperm quality, low-birth weight, kidney disease, thyroid disease, and high cholesterol, among other health issues.

You can avoid this by not using non-stick pans (also older ones found at secondhand stores), as well as stain and water-resistant coatings on clothing, furniture, and carpets.

Organophosphate Pesticides

Neurotoxic organophosphate compounds that the Nazis produced in huge quantities for chemical warfare during World War II were never used. After the war ended, American scientists used the same chemistry to develop a long line of pesticides that target the nervous systems of insects. Despite many studies linking organophosphate exposure to effects on brain development, behavior, and fertility, they are still among the more common pesticides in use today. A few of the many ways that organophosphates can affect the human body include interfering with the way testosterone communicates with cells, lowering testosterone and altering thyroid hormone levels.

You can avoid these compounds by buying organic produce and using EWG’s Shopper’s Guide to Pesticides in Produce, which can help you find the fruits and vegetables that have the fewest pesticide residues: www.ewg.org/foodnews/.

Glycol Ethers

Shrunken testicles is one thing that can happen to rats exposed to chemicals called glycol ethers, which are common solvents in paints, cleaning products, brake fluid, and cosmetics. The European Union says that some of these chemicals “may damage fertility or the unborn child.” Studies of painters have linked exposure to certain glycol ethers to blood abnormalities and lower sperm counts. In addition, children who are exposed to glycol ethers from paint in their bedrooms have substantially more asthma and allergies.

You can reduce your exposure by checking out EWG’s Guide to Healthy Cleaning (www.ewg.org/guides/cleaners/) and avoid products with ingredients such as 2-butoxyethanol (EGBE) and methoxydiglycol (DEGME).

If you are struggling with health issues, call the Advanced Chiropractic & Nutritional Healing Center at 240-651-1650 for a free consultation.  Dr. Lo uses Nutritional Response Testing ® to analyze the body to determine the underlying causes of ill or non-optimum health. The office is located at 7310 Grove Road #107, Frederick, MD. Check out the website at www.doctorlo.com.

HEALTH MATTERS

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ASK Dr. Lo

by Dr. Thomas K. Lo

The lymph system is a network of lymph vessels, tissues, and organs that carry lymph throughout the body.

Lymph is a colorless, watery fluid that travels through the lymph vessels and carries T and B lymphocytes, which are a type of white blood cell.

A poorly functioning lymphatic system is associated with the development of chronic disease.

Lymphedema occurs when lymph is not able to flow through the body the way that it should. When the lymph system is blocked or damaged, it builds up fluid in the soft body tissues, causing swelling. This can have significant negative effects on the function and quality of life.

Lymphedema usually affects an arm or leg, but it can also affect other parts of the body. It can cause long-term physical, psychological, and social problems for patients. 

Parts of the Lymph System

There are different parts of the lymph system that play a direct part in lymphedema, to include the lymph vessels, which are a network of thin tubes that collect lymph from different parts of the body and return it to the bloodstream. The lymph nodes are small, bean-shaped structures that filter lymph and store white blood cells that help fight infection and disease, they can be found in many places including the neck, underarm,  abdomen, pelvis, and groin.

The spleen, thymus, tonsils, and bone marrow are also part of the lymph system but do not play a direct part in lymphedema.

You can compare the lymphatic system to the drains in your home. When the drains are clogged, water quickly fills the sink basin; the toilet does not flush; and particles such as food, hair, and bacteria become stagnant in the drain. Eventually, when the source of the problem is unclogged, the water and other substances move freely through the pipes again.

   Just like your pipes, the lymphatic system can become congested and lead to adverse health reactions. These can include soreness of the breast, fatigue, eczema and chronic skin problems, cold limbs, bloating, headaches, body rigidity, and weakened immunity.

The following are some detoxification strategies to improve the health of your lymphatic system.

Care for Your Limbs With Lymphedema

Taking preventive steps may keep lymphedema from developing. If lymphedema has developed, these steps may keep it from getting worse.

Keep skin and nails clean to prevent infection. Bacteria can enter the body through a cut, scratch, insect bite, or other skin injuries. Fluid that is trapped in body tissues by lymphedema makes it easy for bacteria to grow and cause infection.

Use cream or lotion to keep the skin moist, and treat small cuts or breaks in the skin with an antibacterial ointment.

Avoid needle sticks of any type into the limb with lymphedema. This includes shots or blood tests. Use a thimble for sewing.

Avoid testing bath or cooking water using the limb with lymphedema. There may be less feeling in the affected arm or leg, and skin might burn in hot water.

Wear gloves when gardening, and wear sunscreen and shoes when outdoors.

Cut toenails straight across. See a podiatrist as needed to prevent ingrown nails and infections.

Avoid blocking the flow of fluids through the body. It is important to keep body fluids moving, especially through an affected limb or in areas where lymphedema may develop. It is a good idea not to cross your legs while sitting and change your sitting position at least every 30 minutes.

Wear only loose jewelry and clothes without tight bands or elastic. Do not carry handbags on the arm with lymphedema. Do not use a blood-pressure cuff on the arm with lymphedema. Do not use elastic bandages or stockings with tight bands. Keep blood from pooling in the affected limb. Keep the limb with lymphedema raised higher than the heart when possible. Do not swing the limb quickly in circles or let the limb hang. This makes blood and fluid collect in the lower part of the arm or leg. Do not apply heat to the limb.

Studies have shown that carefully controlled exercise is safe for patients with lymphedema. Exercise does not increase the chance that lymphedema will develop in patients who are at risk for lymphedema. In the past, patients were advised to avoid exercising the affected limb. Studies have now shown that slow, carefully controlled exercise is safe and may even help keep lymphedema from developing.

Take Care of Your Lymph System

Exercising daily may be one of the easiest and most effective ways to boost the health of your lymphatic system. Whether you are lifting weights at the gym, dancing around your home with your kids, or going for a jog with the dog, you are encouraging the health of your lymphatic system and improving immune function.

Rebounding (a low-impact exercise, which involves jumping on a trampoline) promotes the flow of lymph through the body and can increase the drainage of toxins from organs and muscle tissue.

Stress reduction techniques encourage the flow of lymph through your body. Some of these techniques may involve yoga, pilates, deep-breathing exercises, massage, stretching, and maintaining good posture.

One of the key mechanisms by which our bodies remove toxins is through perspiration. Participating in vigorous activity, including intense exercise, is not the only mechanism by which you can improve lymphatic function. Infrared saunas offer a non-invasive form of light therapy, which heats internal muscles and organs thereby pushing toxins into circulation for their removal from the body. Infrared technology offers amazing benefits for promoting the detoxification of the body.

Some of the best foods to detoxify the lymphatic system are red fruits and vegetables. These include pomegranates, cranberries, beets, cherries, and raspberries. These foods boost lymphatic function and help thin bile, which is a major component to the regulation of the immune response in the gut. Consuming a diet rich in omega-3s is also critical to fighting inflammation and fighting infectious agents from weakening the immune system. Especially as you age, consuming a healthy diet rich in antioxidants and healthy fats is required for moderating immune response. Lymphatic vessels contained in the intestines are easily susceptible to dysfunction because of an unhealthy diet.

One very simple mechanism to avoid the restriction of lymphatic vessels, which may hinder the adequate flow of lymph fluid, is choosing your attire appropriately. Wearing restraining, tight-fitting undergarments, such as wired bras, can cause the inability for fluid to drain from the breast, arms, and chest into surrounding lymph nodes. It is also best not to wear tight-fitting clothes while sleeping.

The proper functioning of the lymphatic system is fundamental for the health of the immune system.

If you are struggling with health issues, call the Advanced Chiropractic & Nutritional Healing Center at 240-651-1650 for a free consultation. Dr. Lo uses Nutritional Response Testing® to analyze the body to determine the underlying causes of ill or non-optimum health. The office is located at 7310 Grove Road #107 in Frederick. Check out the website at www.doctorlo.com.