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Where they come from, where they go, and one surprisingly important handoff
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A steadier kind of support for a plastic filled world
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The two mechanisms being studied — living probiotics and non-living fibers — and where the evidence really sits
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What the science can see, what it can’t, and why the honest answer lives between dismissal and alarm
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Where the particles likely come from, why infants are more sensitive to them, and a few simple swaps parents can make today
Read articleI read a paper. I thought, "this needs to be wrong." So, I tested it on myself. It wasn't...
Nick Norwitz MD PhD | StayCurious Metabolism
Design choices reveal values faster than slogans do. Avoiding plastic packaging was never the easiest path, which is part of why it mattered.
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What a 2025 study found about polypropylene kettles — and a few simple swaps that sidestep the problem
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What in vitro studies, animal models, and one human dataset suggest about probiotics and plastic-associated endocrine disruptors
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A closer look at what heat does to the plastic touching your food, across the kitchen moments we rarely think about
Read articleWhat 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
The thinking behind one of the most easily overlooked parts of the formula
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