How do you know if you have microplastics in your body?

You cannot easily know if you have microplastics in your body without specialized laboratory testing, as microplastics are microscopic particles smaller than 5 millimeters that are invisible to naked eye and do not cause immediate obvious symptoms. Everyone in modern world likely has some microplastics in body because they are widespread in food, water, air, and consumer products, and studies have detected microplastics in human blood, lungs, liver, placenta, and stool using advanced techniques like spectroscopy and microscopy. There is no routine medical test offered by doctors to measure microplastics in your body, as testing is currently done only in research labs with special equipment that can identify polymer types. Symptoms like fatigue or digestive issues are not specific indicators of microplastics, as they have many causes. Researchers are still studying health effects, which are not fully understood. If you are concerned about exposure, you can reduce intake by using glass or stainless steel containers instead of plastic, avoiding heating food in plastic, filtering water, and reducing consumption of highly processed foods packaged in plastic. For health concerns, talk with primary care provider, but there is no clinical test for microplastics currently available to public.