There are no reported cases in the literature where titanium as such has caused human intoxication.
except .. umm.. a quick search brings up this first, many others to choose from...
Inhaling titanium dust particles is bad for your lungs. Also, Titanium exposure may be harmful to your brain. Titanium nano particles can enter directly into the hippocampus region of the brain through the nose and olfactory bulb. Research found that titanium dioxide had a toxic effect on glial cells in the brain, suggesting that exposure to titanium dioxide may cause brain injury and be a health hazard
https://prestivac.com/blog/how-to-sa...factory%20bulb.
The dust is also an explosive combustible.
My friend is correct.
I have two titanium plates in my chest right now so this is a subject very close to my heart!
... It's the Dust that gets you, not the larger Metal.
If your toothpaste is bright white, it almost assuredly has Titanium Oxide in it.
cool, huh?