“We don’t know if it is dangerous,” said Nathalie Tufenkji, who published a study Wednesday in the U.S. journal Environmental Science & Technology that examined the amount of microplastics and nanoplastics released when four unnamed brands of tea bags were steeped in hot water.

“There’s actually almost no studies on the toxicity of ingesting microplastics or nanoplastics, so that’s something to be determined, but we do know (some tea bags are) releasing a lot of plastic into the actual tea.”

Read the full article at https://www.theglobeandmail.com/canada/article-mcgill-study-finds-some-premium-tea-bags-leach-billions-of-2/