http://www.asthma.org.uk/ Asthma UK - an excellent link to research and information about Asthma
http://www.eczema.org/ The National Eczema - an excellent link to research and information about Eczema
http://www.allergyuk.org/ Allergy UK - all about allergies
http://www.anaphylaxis.org.uk/ The Anaphylaxis Campaign - lots of information about severe food allergies
https://secure.blood.co.uk/e21cases.asp The National Blood Service. Why not donate some of your red-stuff? You make lots of it, and who knows when someone you care about might be in need of some extra? Go On! Clickety-click...