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I Had My Body Tested for Toxic Chemicals and This is What I Learned

I have to admit, this blog post is a little hard to write. I’ve been working on environmental health issues since 2006 and so as you might expect, I’ve been making good choices about which products I use, avoiding known toxic chemicals where possible. So when I signed up for Silent Spring Institute’s biomonitoring study, I thought I was going to do VERY well. A+ with a little extra credit, right? I was surprised by the mixed results.

I have also been in this field long enough to know that I shouldn’t be surprised by my results. Consumer choices are incredibly powerful in reducing our exposure to environmental chemicals, but we also can’t entirely shop our way out of this problem. Which is part of the fuel that has driven me to advocate for more health protective laws over the years; we can’t simply just avoid chemicals because we don’t like them. Many are pervasive and exposure is ubiquitous.

So what did my results show and what do they mean? The answer should energize you…read on.


About the Study

The Silent Spring Institute (a well respected science research organization) tested people for 14 of the most common hormone disrupting chemicals commonly found in household products. Participants like myself had to collect urine samples and then we patiently waited for our results.

According to the Silent Spring Institute, they found 2 to 12 chemicals in each participant, most people had at least 9 chemicals, everyone had a detectable level of the preservative methyl paraben (including me!) and no one had a detectable level of the antimicrobial triclocarban.

My Results

1 – Triclosan/Triclocarbon (found in anti-bacterial soaps)

>>> Good news! Non-detect

I did not have any triclosan or triclocarban detected in my body, chemicals used in “anti-bacterial/microbial” soaps, detergents and toothpaste. (Note: “non-detect” is a term used by scientist to note the absence of chemicals. Scientists don’t like to say “zero” since it’s virtually impossible to prove.)

What this means:

My efforts to purchase and avoid soaps, toothpaste and other products with anti-microbial agents is working! You can read more about how chemicals like triclosan are both harmful to human health and the environment and are simultaneously NOT effective at killing microbes. No wonder the FDA moved to ban this class of chemicals from soap.

2 – Bisphenols (found in canned food, hard plastics, epoxy resins)

>>> Disappointing news: BPF – above U.S. median levels, BPA/BPS – slightly below U.S. median 

Here is a chart showing my exposure to BPA, BPS and BPF. As someone who has campaigned on BPA and it’s toxic substitutes for years, this one particularly hurts.



After talking to the team at the Silent Spring Institute, I have two main theories for my exposure to bisphenols, specifically BPF. I do not drink or eat from plastic containers and I don’t cook many foods at home with canned food. The theory is a salad bar that I eat lunch at several times a week. In true salad bar fashion, I am drawn to the “fun” food items that I don’t eat at home including kidney beans (canned), artichoke hearts (canned/jar), olives (canned), chickpeas (canned), and so on.

This salad bar experience is meant to give me a healthy meal, which it is, but I’ve been loading up on canned food items to spruce up my salad! I have since started to focus on loading up on the fresh veggies rather than the canned “accent” foods, which I trust will drop the levels.

Finally, and perhaps most important. As BPA started to develop a bad reputation, companies started to use “chemical cousins” BPS and BPF. The structure of these chemicals is similar, and the health threat of hormone disruption equal. As a result, the use of BPS and BPF has skyrocketed in recent years and exposures can come through small interactions in our lives like handling receipts and canned food. This is why laws that address classes of chemicals is very important.

3 – Chlorinated phenols (found in mothballs, toilet deodorizer, herbicides)

>>> Good news: Below U.S. median

While it’s frustrating that chlorinated phenols were detected in my body, I’m happy to see they are below the U.S. median levels. This is likely due to the safer cleaning products I use, I don’t have mothballs in my home, and I don’t use herbicides. Even though I don’t use herbicides in my home, we do leave our windows open all year round which is likely part of my day to day low level exposure.

4 – Flame retardant chemicals (used in furniture, textiles & nail polish)

>>> Non-detect: But room for improvement 

I had no present levels of a certain flame retardant used in furniture in my body, which shows that buying flame-retardant free furniture WORKS! I did have some levels (although less than U.S. median) of a chemical called diphenyl phosphate (DPHP), which can form from TPHP, an ingredient used in some conventional nail polishes. For me, this is a great reminder to always prioritize safer nail polish (which I have historically done about 50% of the time).

5 – Parabens (used in personal care products & processed food)

>>>3 out of 4 parabens not detected, slight exposure to propyl paraben

I had good/low results for ethyl, methyl, butyl parabens (yay!), but had average exposures to propyl paraben. My theory on this chemical is that during the testing period I used a body wash at my yoga studio. It’s the only personal care product I used that wasn’t my own and known to be paraben-free.

Another hunch is that some parabens are used in processed food. Every participant in the study had some level of propyl paraben in their body, which points to food as a reasonable route of exposure. Fresh food, here I come.

6 – Benzophenone-3 (used in sunscreen and as a UV stabilizer in packaging)

>>>Above average exposure 

I haven’t used a chemical sunscreen in years (and was not coming into contact with chemical sunscreens around the time of testing). I’m a huge mineral sunscreen enthusiast and use sunscreen everyday, however I don’t use any that include this particular chemical.

Someone pointed out to me that benzophenone-3 is also used as a UV stabilizer in packaging, which is likely where the exposure is coming from. I need to do some more research to see what kind of packaging (food, cosmetics etc) benzophenone-3 I may have in my home and where I can limit my exposure.

What You Can Do to Reduce Your Exposure

Simply put, shopping for and using safer products matters. Find my favorite safer product recommendations here:

Take action:

As I outlined in the beginning, and as my test results show, entirely avoiding toxic chemicals isn’t possible and we need our government to step in and help transform our materials economy.

You can take action today by emailing CONGRESS, asking them for more health protective laws on the beauty and personal care industry. You can also email RETAILERS asking for their leadership to shift brands away from known hazardous ingredients.

Having my body tested for harmful chemicals was an eye opening experience, and further underscores the need to advocate for systemic shifts in our consumer economy. Join me!

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