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Exposure
Your kettle, your coffee, and microplastics
What a 2025 study found about polypropylene kettles — and a few simple swaps that sidestep the problem
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Everything published on the Journal: our articles, research digests, and links we share.
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Science
Can probiotics help the body handle BPA and phthalates?
What in vitro studies, animal models, and one human dataset suggest about probiotics and plastic-associated endocrine disruptors
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Science
What happens when food and drinks are heated in plastic
A closer look at what heat does to the plastic touching your food, across the kitchen moments we rarely think about
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Research Digests
Atlas Research Digest: The brain is not as shielded as we thought
Micro and nanoplastics turning up in nearly every brain sample tested, new attention to the air we breathe, and the slow work of cleanup.
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staycuriousmetabolism.substack.com
This Will Change How You See Sugar
What if sugar isn’t just sugar? New research reveals how fructose may be transformed into alcohol-like toxins in your body, reshaping how we think about liver health, metabolism, and the microbiome.
Nick Norwitz MD PhD | StayCurious Metabolism
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Solutions
Why Winnow uses raw potato starch
The thinking behind one of the most easily overlooked parts of the formula
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Health
Plastic chemicals and your sleep
What the phthalate and BPA research suggests about your circadian rhythm
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staycuriousmetabolism.substack.com
How I Got Unstuck: A Constipation Toolkit
A physiology-first guide to constipation—covering posture, nervous system tone, diet, supplements, and overlooked causes—to help you stop guessing and start finding what actually works for your body.
Nick Norwitz MD PhD | StayCurious Metabolism
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Science
Do probiotics survive stomach acid?
What the evidence actually shows
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Solutions
Why personal solutions still matter in a systemic problem
Systemic problems require systemic change. But that does not make personal action meaningless. The most honest response is to hold both truths at once.
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Health
Is plastic quietly rewiring your hormones?
Why scientists are starting to call microplastics endocrine disruptors — and what that means for your thyroid, stress, and weight
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Health
What we know about plastic and your liver
The organ that filters everything is in the crosshairs of a new line of research
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