Many thanks for your very helpful reply.

I have a few small marks on my right arm which seem to go whiter if I am out in the sun & never tan like the rest of my skin. Is this perfectly normal & please could you tell me what would be the possible causes of the marks? Many thanks

I just wanted to say how interesting the results of the survey were. Not only were the individual statistics very interesting, but I also thought that it was a great idea to include personal comments from several participants, which gave an excellent insight into how people feel and the different re...