[standardUser]

There's also no safe level of sun exposure. You can make lots of things sound absolutely terrifying if you're willing to abuse rhetoric.

[robryk]

I'm surprised by that. I would expect low enough exposure to cause abnormally low bone density and other calcium-related problems via "vitamin"[1] D deficiency.

[1] It's not really a vitamin, because we do produce it internally (as opposed to having to ingest it in diet).