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You May Be Consuming Microplastics and You Don't Even Know It



Microplastics, the terrifying and ubiquitous tiny plastic particles that have been getting attention from many a news outlet this past year, have officially infiltrated our food and water supply. They’ve been found in the deepest depths of the ocean and mixed throughout soil in increasingly less fertile fields. And their effects, many believe, are detrimental to both the environment and human health.


To help you fully grasp the extent of the damage, here are four recent studies that will have anyone rethinking their use of single-use plastics.


1. Human consumption of microplastics.


While it has been confirmed that humans regularly ingest microplastics, a new meta- analysis of 26 studies that measured the amounts of microplastic particles in fish, shellfish, sugar, salt, beer and water shows that adults eat about 50,000 small plastic particles each year—and breathe in an equally high amount. Consumers of plastic bottled water fare far worse because they likely take in an extra 90,000 microplastics annually.


2. Microplastics stunt growth of worms.


Not only do microplastics inhibit plant growth and seed germination, they also wreak havoc on earthworms’ intestinal tracts and ability to digest nutrients. Researchers found that after a period of 30 days in the presence of microplastic clothing fibers and high-density polyethylene, the rosy-tipped earthworms had lost roughly 3.1% of their body weight. Earthworms are crucial for healthy soil generation, and the study’s authors point out that any pollution that affects them will have outsize, cascading impacts on future soil fertility.


3. It is raining plastic.


This study identified microplastics in more than 90% of rainwater samples tested from across Colorado—including a remote site in Rocky Mountain National Park that is more than two miles high in elevation. Researcher Gregory Wetherbee told The Guardian that plastic was the last thing he expected to find when analyzing the samples; its presence indicates that the material is an ingrained part of our natural world that has no sure way of being flushed out just yet.


4. Understanding microplastic levels, pathways and transport.


Three years ago the San Francisco Bay Microplastics Project sought to uncover the biggest contributors to the plethora of microplastics found in the digestive systems of marine organisms off the California coast. What they found is that of the more than 7 trillion pieces of microplastics that enter the San Francisco Bay each year, a solid majority of them are tire particles. This finding opens up a whole new realm for the relatively new world of microplastic research, as cars could be polluting our environment in a way that has never before been noted or measured.



Mass production of plastic began in the 1940s. Since then the use of plastics has substantially grown. The majority of processed foods are packaged in plastic. These plastics can shed particles, and humans can inadvertently consume these tiny plastic particles. The breakdown of these plastics is a problem as well. The degradation of larger plastics breaks down into tiny particles that can get into our food and water sources.


If you want to minimize your consumption of microplastics now, stop drinking water out of plastic bottles. Filter the water that you do drink. I use a Berkey filter and water dispenser to make sure that the water I'm drinking is as pure as it can be. Consider the source of your seafood and sea salt. I like Redmond Real Salt. It comes from ancient salt mines in Utah. Another way to minimize microplastic consumption is to eat less processed and packaged foods.



Portions of this post were written by Kira Hunter, a digital content producer for the New Hope Network. I am a member of the New Hope Influencer Co-Op, a network of health and wellness bloggers committed to spreading more health to more people.

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Hey there! I'm Stephanie, a functional nutritional therapy practitioner, restorative wellness practitioner, certified holistic health coach, and educator. I teach individuals how to take back their health with real food so they can finally get to the root cause of dysfunction and restore wellness within themselves. I reside in Boise, Idaho where I enjoy spending lots of time outdoors, drinking copious amounts of tea, cuddling with cats and reading good books. 

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