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Reducing Exposure to Xenoestrogens

Updated on August 24, 2011

Excessive levels of the hormone estrogen, also known as estrogen dominance, are associated with many health problems. One of the most common causes of estrogen dominance is a class of compounds known as xenoestrogens.

Xenoestrogens (literally "foreign estrogen") are man-made compounds that mimic the effects of natural estrogens in the body. They are similar in function to phytoestrogens, naturally occurring estrogens in plants, but tend to be much stronger. The effects of xenoestrogens on the environment and the human body are still being studied, however, many xenoestrogens are known to increase the effects of estrogen on the body. For this reason, they are believed to be a major contributing factor to many cases of estrogen dominance.

Avoiding xenoestrogens is an important step towards reducing the many symptoms and health problems associated with excessive estrogen levels, including breast cancer, endometriosis, uterine fibroids, PMS, PCOS, and infertility/impotency. It is especially important for pregnant and lactating women, children and teenagers, and those with estrogen-sensitive diseases to reduce exposure to xenoestrogens. Unfortunately, xenoestrogens occur in thousands of everyday items, including everything from food to cosmetics to household goods.

Important Foods to Buy Organic

These crops have the highest residues of xenoestrogens and other endocrine disruptors:

  • strawberries
  • spinach
  • cabbage
  • pineapples
  • green beans
  • asparagus
  • apricots
  • raspberries
  • cherries
  • apples
  • peaches
  • grapes
  • sweet peppers

Chemical Pesticides and Fertilizers

One of the most famous xenoestrogens was DDT, which was banned in the United States thanks to Rachel Carson's groundbreaking work on the ecological dangers of synthetic pesticides. Unfortunately, it is still applied to food and other agricultural products in many other countries, and it can persist in soil for centuries, so despite the ban, many people around the world are still being exposed to DDT on a regular basis.

DDT persists in the human body for decades, where it is stored in fatty tissue such as breasts. Women with detectable levels of DDT in their breast tissue are five times more likely to develop breast cancer than women without detectable DDT levels.

Unfortunately, DDT is not the only agricultural chemical that contains xenoestrogens, and many others remain in legal use in the United States and around the world. It's estimated that the average American consumes over one pound of pesticides per year. Among the common products known to contain xenoestrogens are atrazine, endosulfan, and methoxychlor.

There was some promising news recently on the pesticide front: for the first time the EPA will require tests on a number of chemicals used as pesticides to determine if they are endocrine disruptors. However, the results are likely to be unavailable for several years at minimum.

How to Avoid Them

  • Eat organic foods as often as possible
  • Use natural pest control in your home and garden
  • Avoid synthetic flea shampoos, flea collars, and flea pesticides for your pets and home
  • If you must use synthetic pesticides or fertilizers, follow directions exactly.
  • Campaign against pesticide use in schools and workplaces. Children are especially susceptible to the effects of xenoestrogens.


Meat and milk from organic, grassfed cattle are least likely to contain xenoestrogens. Photo by Tambako the Jaguar.
Meat and milk from organic, grassfed cattle are least likely to contain xenoestrogens. Photo by Tambako the Jaguar.

Meat, Dairy, and Eggs

The growth hormones fed to cattle, pigs, poultry, and other livestock are another major source of xenoestrogens, and high consumption of conventionally raised dairy products is especially associated with high estrogen levels, due to the combination of naturally and artificially occurring hormones in the milk.

How to Avoid Them

  • Choose organic meat, eggs, and dairy products
  • Better yet, choose 100% grassfed meat and dairy products, and pastured pork and poultry
  • Reduce your consumption of animal products in general, especially uncultured dairy products

Nail polish is a common source of xenoestrogens. Photo by billaday.
Nail polish is a common source of xenoestrogens. Photo by billaday.

Cosmetics and Toiletries

Unfortunately, one of the most effective ways to absorb xenoestragens is through skin contact. Xenoestrogens absorbed by the skin are ten times more potent than those taken orally, because they travel directly to the tissues instead of passing through the liver.

Many types of cosmetics, toiletries, and other products applied directly to the skin contain xenoestrogens. Some shampoos, particularly those aimed at the African American community, even advertise their estrogen (estradiol) content! Nail polish and sunscreen are more common sources of xenoestrogens, including phthalates, benzophenone-3, homosalate, 4-methyl-benzylidene camphor (4-MBC), octyl-methoxycinnamate and octyl-dimethyl-PABA. Other products, including body lotions, toothpastes, soaps, gels, hairsprays, and more may contain xenoestrogens in the form of parabens, phenoxyethanol, phthalates, and other compounds.

How to Avoid Them

The best source of information about the safety of cosmetics and beauty products is the Skin Deep Cosmetic Safety Database.

Photo by Kevin Lawver
Photo by Kevin Lawver

Plastics

Plastics, especially soft plastics, contain many compounds that are considered to be xenoestrogens. Phthalates, a type of plasticizer used to make plastics soft and flexible, are an especially common offender. These compounds can leach out or volatize over time or in response to heat or other stimuli. Phthalates are used in products from food storage containers and packaging to children's toys to certain clothing and footwear items to toiletries to pesticides to IV bags to baby bottles... the list goes on and on.

How To Avoid Them

  • Use cling wrap that does not contain DEHA and replace cling wrap on meats and other foods as soon as you get home from the store, unless it is from a chain such as Whole Foods that doesn't use DEHA cling wrap
  • Never heat food with plastic in the microwave, even if it claims to be microwave-safe. Use glass or ceramics instead.
  • Avoid Teflon and other non-stick cookware. Cast iron is an inexpensive, durable, and healthful alternative.
  • Buy bottled water and other drinks in glass bottles instead of plastic.
  • Minimize consumption of foods from tin cans. In the USA, over 85% of tin cans are lined with bisphenol-A (BPA) to reduce the metallic taste that can be present in canned foods. Unfortunately, BPA is a known xenoestrogen that leaches when exposed to heat, such as the sterilization process some cans undergo, or acid. BPA is also present in many plastic baby bottles, food storage containers, and other products.
  • Don't drink from styrafoam cups or containers.

Vinegar and baking soda, the two main ingredients of that volcano you made in first grade, are also safe and effective household cleaners. Photo by Andrew in Raleigh.
Vinegar and baking soda, the two main ingredients of that volcano you made in first grade, are also safe and effective household cleaners. Photo by Andrew in Raleigh.

Household Cleaners

Many household cleaners contain xenoestrogens. Particularly dangerous are laundry detergents and fabric softeners, because residues on clothing, towels, and other items are worn against the skin.

Air fresheners and insect repellents are also major sources of xenoestrogens.

How to Avoid Them

  • Use old-fashioned household cleaners like baking soda, Borax, and vinegar whenever possible.
  • Avoid fabric softeners and dryer sheets.
  • Use a simple laundry detergent with few chemicals.
  • Ventilate your house frequently and well and avoid the use of air fresheners, insecticide foggers, and other products that release chemicals into the air.

Are frogs the canary in the coalmine? Photo by Noël Zia Lee.
Are frogs the canary in the coalmine? Photo by Noël Zia Lee.

Water

Unfortunately, water treatment plants are not currently designed to remove hormonal pollutants, and agricultural and pharmaceutical runoff have created a curious epidemic among fish and frogs in many waterways in the developed world. These aquatic creatures are actually switching gender due to high levels of effluent estrogen in their watery homes!

Although human bodies are more complex than frogs and fish, the hormonal pollutants can affect us as well when we drink or bathe in water containing them.

Water in many parts of America is also contaminated with agricultural runoff, including many pesticides and fertilizers containing xenoestrogens, and urine and manure from animals fed growth hormones.

How To Avoid Them

Don't switch to bottled water, which is unregulated and may be more polluted than tap water. Instead, install a reverse osmosis water system. These can include under sink or whole house systems.

Other Common Sources of Xenoestrogens

  • Coffee and other caffeinated beverages
  • BHA and BHT, the common food preservatives
  • FD&C Red No. 3, a common food dye (erythrosine)
  • Marijuana

Sadly, with the near-ubiquitous spread of these compounds, no article of this length could possibly be comprehensive. I have done my best to include an overview of some of the most common sources of xenoestrogens in our lives, but I encourage you to read further on the subject and educate yourself, your family, and friends. In the end, voting with your pocketbook and spreading information to enable others to do the same is likely to be the single most important thing you can do to help slow the spread of estrogen dominance and its accompanying health problems.

Recommended Reading

Hormone Deception: How Everyday Foods and Products Are Disrupting Your Hormones--and How to Protect Yourself and Your Family
Hormone Deception: How Everyday Foods and Products Are Disrupting Your Hormones--and How to Protect Yourself and Your Family

A compelling and informative case against xenoestrogens in household products, foods, and other everyday objects. Includes a room-by-room xenoestrogen tour of your house and advice for combating the problem through legal and legislative action.

 

Do you suffer from menstrual cramps? Xenoestrogens can make them worse.

Learn more about how reducing your exposure to xenoestrogens can relieve your cramps in 20 Ways To Relieve Menstrual Cramps.

Comments

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    • profile image

      Eric Potter MD 

      3 years ago

      Thanks for this information. I am working with a few patients with endometriosis and infertility associated with their MTHFR mutations. This will be a great resource for me and them. Any other recommended resources for me.

      Blessings,

      Eric Potter MD

      Sanctuary Medical Care and Consulting

    • profile image

      Myriam 

      4 years ago

      Excellent article!!

    • profile image

      PrinceSargent 

      5 years ago

      This is sorta unfairly slanted against Marijuana. Cannabis extract in large doses exhibited neither estrogenic nor antiestrogenic effects in various scientific studies.

      To investigate possible effects of chronic marijuana use on reproductive and stress hormones, we assayed testosterone, luteinizing hormone, follicle stimulating hormone, prolactin, and cortisol in 93 men and 56 women with a mean (+/- S.E.) age of 23.5 +/- 0.4 years. Hormone values were compared among groups of subjects stratified according to frequency of marijuana use (frequent, moderate and infrequent; N = 27, 18, and 30, respectively) and non-using controls (N = 74).

      Chronic marijuana use showed no significant effect on hormone concentrations in either men or women.

      Source: http://www.ncbi.nlm.nih.gov/pubmed/1935564)

    • profile image

      stu 

      6 years ago

      Yet your slated for using male hormones for trying to better yourself as a body builder.....at least that's by choice for gods sake. Governments = FULL OF SH!T. THIS ANGERS ME GREATLY.

    • profile image

      Jessica 

      6 years ago

      PS- i've been smoking marijuana for several years & it is the only thing that helps my pain & suffering!!

    • profile image

      Jessica 

      6 years ago

      This is just crazy.. I have a condition where i can have no estrogen. There for, no ovulation/menstration, probably never a chance to have children, & taking progesterone on a daily basis. i always thought progesterone was ruining my body more than the estrogen would.. but this is all making sense now. thanks so much for this info!

    • profile image

      Christina 

      7 years ago

      That just great, so basically it's mass companies fault and the government, nothing is safe, and I was drinking bottled water to avoid fluoride..plus I eat dried apricots...And we can't afford organic stuff, my parents aren't going to change...they'll never give up caffeine.

    • profile image

      Oh no 

      7 years ago

      Marijuana>? Are you kidding me!

    • revybaby profile image

      revybaby 

      8 years ago from On the Road

      This is something I have heard in bits and pieces but find that this is laid out in such a nice manner. I am reading a book by Jillian Michaels that discusses all this and I am getting ready to detoxify my own environment.

      I will be back and use this as a resource. Thanks!

    • profile image

      Elly 

      8 years ago

      Great info. Your article made the first page on google. thanks for posting

    • profile image

      Cobra Tuscadero 

      9 years ago

      We're F*cked

    • hilltrekker profile image

      hilltrekker 

      9 years ago

      an informative hub, indeed.

    • Shalini Kagal profile image

      Shalini Kagal 

      10 years ago from India

      kerryg - thanks for that and for the link. There's been a seesaw about the benefits of soy in recent years so I wondered!

    • kerryg profile imageAUTHOR

      kerryg 

      10 years ago from USA

      Thanks, Money Guy!

      Shalini, soy is a phytoestrogen rather than a xenoestrogen. Phytoestrogens are naturally occuring plant estrogens and tend to be much weaker than xenoestrogens, especially in their effect on the human body. Based on my reading, it seems there is a huge controversy about phytoestrogens in general and soy in particular. Some experts believe that the weak phytoestrogens block stronger natural and xenoestrogens from binding to estrogen receptors and therefore reduce the effect of estrogen on the body, while others believe that they still have an overall estrogenic effect. Frankly, my impression is that soy affects different women in different ways, and even has different effects at different points in the menstrual cycle and life cycle, so it strikes me as something is overhyped both as a cure-all and a threat. We simply don't understand the delicate balance of hormones enough to be able to prescribe it or proscribe it with surety in any given situation.

      Personally, I think soy, especially the gentler fermented forms such as miso, is worth experimenting with in moderation due to its other health benefits, but moderation is the key word, and too many people, doctors included, don't seem to grasp the concept! I figure, if it makes you feel worse, don't stick it out in hopes of improvement; stop! If it makes you feel better, go ahead and keep using it, but don't add it to EVERYTHING.

      I have another article with more on the controversy here: https://remedygrove.com/supplements/menstrual-cram

    • Shalini Kagal profile image

      Shalini Kagal 

      10 years ago from India

      kerryg - that's a pretty exhaustive list, thank you! Would you also add soy to that?

    • TheMoneyGuy profile image

      TheMoneyGuy 

      10 years ago from Pyote, TX

      Another very informative Hub,

      Thank you,

      TMG

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