Research & News

Research & News brings together clear, practical explanations of new microplastics studies, product developments, and headlines. Plastic Free Kitchen looks at what the evidence actually shows, what it cannot prove, and what it may mean for everyday kitchen choices.

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Do Plastic Protein Shakers Release Microplastic...

The metal ball is not the source of the plastic. A new study found that its repeated contact with plastic bottle walls increased microplastic release.

Do Plastic Protein Shakers Release Microplastic...

The metal ball is not the source of the plastic. A new study found that its repeated contact with plastic bottle walls increased microplastic release.

Unbranded countertop reverse-osmosis unit beside a glass carafe and tumbler in a sunlit cream-and-oak kitchen.

Does “Not Detected” Mean Your Water Is PFAS-Free?

“Not detected” is not the same as zero. A new drinking-water study shows why that distinction matters, without telling us what is in every household’s tap water.

Does “Not Detected” Mean Your Water Is PFAS-Free?

“Not detected” is not the same as zero. A new drinking-water study shows why that distinction matters, without telling us what is in every household’s tap water.

Unbranded glass and plastic food-storage containers held beside everyday kitchen items.

Did a Report Find Hazardous Chemicals in 93% of...

No. The underlying analysis classified chemicals in a database, not products in people's homes. It found that 685 of 738 chemicals with enough toxicity and exposure information met the Environmental...

Did a Report Find Hazardous Chemicals in 93% of...

No. The underlying analysis classified chemicals in a database, not products in people's homes. It found that 685 of 738 chemicals with enough toxicity and exposure information met the Environmental...

Unbranded countertop water-filtration unit beside a glass carafe and tumbler in a sunlit kitchen.

Does Clearly Filtered Remove Microplastics? Wha...

A household screening test counted 14 suspected microplastic particles before a Clearly Filtered under-sink system was installed and 1 afterward. The drop is encouraging, but this was one small home...

Does Clearly Filtered Remove Microplastics? Wha...

A household screening test counted 14 suspected microplastic particles before a Clearly Filtered under-sink system was installed and 1 afterward. The drop is encouraging, but this was one small home...

Conceptual macro image of a translucent porous mesh holding a few irregular fragments and fibers.

Can Chitosan Remove Microplastics From the Body...

Early studies suggest that specific chitosan preparations may change particle counts in a fixed stool subsample or estimated blood measurements. The two human pilots were very small, and they do...

Can Chitosan Remove Microplastics From the Body...

Early studies suggest that specific chitosan preparations may change particle counts in a fixed stool subsample or estimated blood measurements. The two human pilots were very small, and they do...

Scientific editorial illustration of healthy human lungs and branching bronchi.

Can Inhaling Microplastics Affect the Lungs?

Studies have measured inhalable microplastics in indoor air and reported plastic particles in human sputum, bronchoalveolar lavage fluid and lung tissue. Controlled animal inhalation and high-exposure workplace studies support concern...

Can Inhaling Microplastics Affect the Lungs?

Studies have measured inhalable microplastics in indoor air and reported plastic particles in human sputum, bronchoalveolar lavage fluid and lung tissue. Controlled animal inhalation and high-exposure workplace studies support concern...