Titanium dioxide (TiO2) nanoparticles are frequently present in face masks: https://t.co/FBn2GxWR9v
— Dr John B. (@DrJohnB2) February 19, 2022
– A new study with scanning transmission electron microscopic & energy dispersive X-ray spectroscopy.
– TiO2 i s a suspected human carcinogen when inhaled …#Masks #COVID19 pic.twitter.com/fc3V0haxN7
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The Shadows 