The Harvard Center for Nanotechnology and Nanotoxicology published a review of 54 research studies, recognising that convincing scientific evidence exists of negative health effects such as cytotoxic oxidative stress, inflammations and respiratory ailments. Permanent exposure can lead to chronic diseases of the respiratory tract, the immune and cardiovascular system and other organs.”
https://www.europarl.europa.eu/doceo/document/E-9-2020-003988_EN.html
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