Doctor: Common Groceries Harbor Dangerous Microplastics
A family physician is sounding the alarm about microplastics, tiny plastic fragments, infiltrating our food supply through everyday groceries. These minute particles, stemming from plastic pollution, are showing up in items we frequently consume, raising concerns about potential health risks.
Foods and Drinks Containing Microplastics
Family physician Dr. Faith Coleman has highlighted several common grocery staples that can contain microplastics. She explained that these minute plastic pieces, measuring less than five millimeters, enter our food chain via various routes.
Tea and Bottled Water
Dr. Coleman noted that many teabags, including paper ones, contain polypropylene plastic. She explained that when hot water interacts with these bags, microplastics can be released into the tea. Additionally, she said bottled water is a common source, with most plastic bottles made of polyethylene terephthalate, a plastic that easily breaks down.
Seafood
Microplastics are prevalent in our waterways, absorbed by plankton and subsequently consumed by fish. Studies, such as one from Portland State University, have found microplastics in seafood samples. Shellfish like mussels, oysters, and scallops tend to have higher concentrations.
Rice, Salt, and Honey
Rice is considered a significant source of microplastics; a half cup can hold several milligrams. The expert advised buying salt packaged in glass or cardboard due to environmental contamination during production and packaging. Furthermore, honey can contain microplastics, even when packaged in glass, as bees carry or ingest the particles.
Fruits, Vegetables, and Proteins
Produce like apples and carrots have been found to contain microplastics, which are absorbed from the soil. Dr. Coleman recommended washing and peeling fruits and vegetables. The Ocean Conservancy research suggests that a large percentage of both vegetable and animal proteins contain microplastics, with processed proteins storing the most.
The European Food Safety Authority has assessed the safety of microplastics in food and concluded that they pose a low risk, but more research is needed (EFSA 2022).
How to Minimize Exposure
To reduce exposure, Dr. Coleman suggests opting for loose-leaf tea with a stainless-steel diffuser, and choosing tap water from glass or stainless-steel containers. She also recommends washing and peeling fruits and vegetables and selecting local or organic produce.