It's not clear to me which populations were studied. But this is a telling point: > They were also very clear, she said, that people who were never exposed to

It's not clear to me which populations were studied. But this is a telling point: > They were also very clear, she said, that people who were never exposed to the sun ... So I'll keep taking the pills because here in Norway there really isn't much sun from now until March, or at least it is too cold to expose much skin to it.