ENVIRONMENT
Should You Boil Your Drinking Water? Microplastics Are A Hidden Menace
Feb 29, 2024
In the iconic film TheGraduate, Benjamin Braddock (Dustin Hoffman), a young man wondering what do to with his life, is approached by a well-meaning family friend who advises: “There’s a great future in plastics. Think about it.”
That’s the difference between then and now. In 1967 Braddock was urged to get into plastics; in 2024 we’re looking for ways to get the plastics out of us.
Such paranoid thoughts are prompted by a Washington Post piece about microplastics. But first, a quick science class.
Q: What are microplastics?
A: “Primary microplastics are tiny particles designed for commercial use, such as cosmetics, as well as microfibers, shed from clothing and other textiles, such as fishing nets. Secondary microplastics are particles that result from the breakdown of larger plastic items, such as water bottles. This breakdown is caused by exposure to environmental factors, mainly the sun’s radiation and ocean waves.” (National Geographic Society)
Plastic has transcended its already horrible reputation as an environmental problem and turned into a matter of health. ClientEarth puts it like this: “Due to their persistence and the chemicals they are made of, studies suggest they can be highly detrimental to the organisms they come in contact with, including by causing reduced feeding, poisoning, and increasing mortality. They also tend to facilitate the transfer of contaminants along the food chain, with potentially grave consequences for human health.”
So how should we deal with these insidious things?
As the Post reports, scientists “Zhanjun Li and Eddy Y. Zeng report that...
Li and Yeng found that “At high enough temperatures, calcium carbonate (which is commonly found in tap water) will become solid, effectively encapsulating or ‘encrusting’ the plastic particles, and making them easy to remove through a simple filter, such as a coffee filter.”
Is it time to start boiling water before we filter it for use? Li and Yeng state that their research is more about stimulating deeper research into what microplastics do to the planet than household tips. But if you want to be safe, it’s not a bad idea. Boiling water also “kills potentially harmful microbes, parasites, and viruses.” Let the water cool down for 5 to 10 minutes after boiling so any solids present can settle. Then filter the water with the device of your choice.
Scientists are still investigating microplastics’ negative effects on our health. No doubt further means of reducing and, perhaps, eliminating microplastics from our lives will be discovered and codified in the future. Until then, it’s worth doing what we can to maintain our health. It certainly can’t hurt. Chris Reddy — a senior scientist at the Woods Hole Oceanographic Institution — is quoted in the Post: “You will always want to limit non-natural things in your uptake.”
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