An interesting section on the Beeb about "The Science of Sunshine" here:
Contains a table that outlines the pro's and cons of sun exposure.
I've been having dreams where I look around and realise suddenly that I'm sitting on a beach and the sun is beating down on me. I feel an overwhelming sense of panic and then wake up immediately, heart pounding. I'm sure this anxiety will pass, but this summer will be a big test...

2007-02-14 @ 22:30