I wore a dosimeter in my 20's on a nuclear submarine and received some radiation exposure working on the reactor, but the Navy explained to me that it was balanced out because I was underwater and not receiving radiation exposure from the sun. 40 years later, and still cancer free, knock on wood.

In a related note, I know someone who keeps bees and harvests honey. I recently visited the spot way out in the mountains where he does this and I asked why he chose a spot so far out. He explained that to get the organic label, the honey must contain no pesticides and if you keep bees around the property of other people they will ingest pesticides from flowers on those property, since pesticides are so commonly used.