There is a new technology that can remove up to 98 percent of nano and microplastics from water. It is not yet known what the full long-term harms of the massive plastic consumption is doing to human physiology, but is known that micro and nano plastics can be found in every part of the human body now, and may have adverse cardiovascular impacts: https://www.naturalnews.com/2024-07-26-microplastics-linked-heart-attack-stroke-early-death.html.
The new technique for removal of the plastics devised by researchers at the University of Missouri, involves using a solvent which first sits on the top of water, but with stirring then does its work and combines with the plastics, producing a floating sludge which can then be removed. This would be a way of decontaminating drinking water, especially water sold in plastic bottles.
It does leave still the problem of the removal of micro and nano plastics from food sources and most of all, the body itself. I have spent some time on the internet researching this topic and have nothing solid yet to report. Clearly limiting exposure to plastics as much as possible is a good first step.
https://www.ucsf.edu/news/2024/02/427161/how-to-limit-microplastics-dangers