With a half life of over 30 years a small particle absorbed into your body could cause serious health issues.
Depends on your age.
All the animals inside the Chernobyl Exclusion Zone test way high for radiation above the recognized safe limit, yet they live normally and thrive, from tiny mice and voles to wolves, deer, bear and moose.
Why? The scientists were stunned.
Then they figured it out.
The animals don’t live long enough for it to be a problem.............
They use radiation to kill cancers. For all we know it may be warding off a cancer cluster.