Buzz
Infertility is already a difficult journey, and misleading headlines blaming your yoga routine only add to the stress. While a recent study highlighted concerns about certain flame-retardant chemicals potentially impacting fertility, yoga mats were not part of the research, despite the downward-dog imagery often associated with them.
The Headline: Yoga Mat Chemicals Could Impact Fertility (Forbes)
The Story: Many soft polyurethane foam products, including yoga mats, contain flame retardants. Scientists have identified concerning connections between these chemicals and fertility issues in animals, with potential implications for humans. This study marks the first time organophosphate flame retardants (PFRs) have been linked to human fertility, though further research is needed to fully understand the relationship.
Researchers analyzed urine samples from women visiting Massachusetts General Hospital’s fertility clinic and detected trace amounts of PFRs. These chemicals are widespread, present in everything from furniture cushions to baby products. In fact, flame retardants are so pervasive that they can be found in household dust and even the air we breathe, making exposure nearly unavoidable.
The research revealed that women undergoing fertility treatments with the highest levels of these chemicals were 40% less likely to conceive compared to those with the lowest levels. While this study doesn't prove PFRs cause infertility, it highlights a potential risk. However, the findings are limited to a specific group—primarily white, educated, high-income women in Boston—and may not reflect the broader population.
Courtney Carignan, the study's lead author, emphasizes that the results align with previous animal studies on flame retardants and fertility. She recommends minimizing exposure to these chemicals as a precautionary measure.
But how can you avoid them?
Contrary to some assumptions, yoga mats aren’t the issue. The study didn’t reference yoga mats, and Carignan notes there’s no evidence they contain PFRs. However, thick foam gym mats and foam blocks used in gymnastic landing pits do. A Harvard press release initially misinterpreted “gym mats” and used a yoga mat photo, which was later replaced with an image of a couch.
Carignan also mentioned that some yoga mats contain phthalates, which have been associated with male fertility issues. While not entirely innocent, phthalate-free yoga mats are available as a safer alternative.
To minimize PFR exposure, Carignan suggests washing your hands before meals to avoid ingesting dust containing these chemicals. Reducing nail polish use can also help, as many polishes contain phthalates or PFRs. Beyond that, it’s trickier—PFRs aren’t typically listed on labels and are often used as substitutes for more harmful chemicals like PDBE flame retardants. Even products labeled “free of harmful flame retardants” may still contain PFRs, so caution is advised.
The Takeaway: PFRs could impact female fertility, but further research is needed for confirmation. Instead of worrying about yoga mats, explore this list of furniture manufacturers offering flame-retardant-free products. You can also send couch foam samples to Duke University, which provides free testing, though results may take six to eight weeks.
