Boldylocks, my pleasure. Here is my favourite site which has helped me tremendously: http://dogtorj.tripod.com/id16.html

Smitho, even though you sit with your head outside, the increase in body heat will also include the head area. It doesn't automatically stop at the neck <img src="/ubbthreads/images/graemlins/wink.gif" alt="" /> This could cause some brain swelling and lead to symptom worsening. Just my 2 cents though <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />