Microplastics are no longer just an environmental issue.
They’re now being found inside the human body, in blood, lungs, and even placental tissue.
And as research evolves, there’s growing discussion around whether microplastics could one day be tracked like other health markers.
A new kind of “vital sign.”
What are microplastics, really?
Microplastics are tiny plastic particles, often less than 5mm in size.
They come from:
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Breakdown of larger plastics
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Food packaging
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Bottled water
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Synthetic clothing
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Everyday environmental exposure
They’re now virtually unavoidable.
Why are they getting so much attention?
Recent studies have detected microplastics in human blood.
This has raised new questions:
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How do they affect long-term health?
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Can the body remove them?
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Should we be monitoring levels over time?
While research is still developing, the conversation is shifting from exposure → impact.
Could they become a “vital sign”?
Some researchers suggest that, in the future, microplastic levels could be measured alongside:
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Cholesterol
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Blood sugar
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Inflammatory markers
Not as a diagnosis, but as a reflection of environmental load on the body.
It’s early days, but the idea reflects a broader trend:
👉 Health is no longer just internal
👉 It’s also influenced by the world around us
The rise of “detox” strategies
As awareness grows, so does interest in how to reduce or manage exposure.
Two of the most talked-about approaches right now:
1. High fibre intake
Fibre supports gut health and digestion, helping the body:
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Bind and eliminate waste
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Support a healthy microbiome
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Maintain regular bowel movements
While not a direct “microplastic removal tool”, it supports the body’s natural clearance systems.
2. Saunas
Saunas are trending as a way to support detoxification through sweat.
They may:
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Promote circulation
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Support relaxation and recovery
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Encourage sweating, which plays a role in eliminating certain compounds
However, evidence specifically linking sauna use to microplastic removal is still limited.
What actually matters right now
It’s easy to jump straight to “detox”.
But the fundamentals still matter most:
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Eating a whole, fibre-rich diet
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Staying hydrated
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Minimising ultra-processed foods and packaging where possible
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Supporting your body’s natural systems
There’s no quick fix and no need to overcomplicate it.
The bigger picture
This isn’t just about microplastics.
It’s about a broader shift in how we think about health:
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Environment matters more than ever
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Prevention is becoming a priority
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Awareness is increasing
We’re moving towards a more holistic view of wellbeing.
The bottom line
Microplastics might one day be measured like a vital sign.
But for now, the focus should stay on what we can control.
Simple habits. Consistent choices.
Because when it comes to long-term health, the basics still do the heavy lifting.
References
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Leslie, H. A., et al. (2022). Discovery and quantification of plastic particle pollution in human blood. Environment International.
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Ragusa, A., et al. (2021). Plasticenta: First evidence of microplastics in human placenta. Environment International.
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World Health Organization (WHO). (2019). Microplastics in drinking water.
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EFSA Panel on Contaminants in the Food Chain. (2016). Presence of microplastics and nanoplastics in food.
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Harvard Health. (2020). The benefits of dietary fiber and gut health.
