barium sulfate medicine

While IARC listed titanium dioxide as “possibly carcinogenic to humans,” they also add that “there is inadequate evidence in humans for the carcinogenicity of titanium dioxide.” Of the four human studies that they reviewed, only one showed a potential risk for occupational workers inhaling titanium dioxide particles and lung cancer, while the other three showed no risk for cancer at all. And it’s key to note that IARC did not assess the effects of titanium dioxide found in foods.

...
...

In conclusion, rutile titanium dioxide is a multifaceted material with a plethora of uses spanning from the cosmetic to the technological sector. Its unique combination of physical characteristics makes it an indispensable component in numerous industrial processes and consumer products. As research continues, new applications for this versatile mineral are likely to emerge, further cementing its status as a cornerstone material in modern industry.

...