http://www.senseaboutscience.org/pages/making-sense-of-allergies.html (http://www.senseaboutscience.org/pages/making-sense-of-allergies.html)
http://www.senseaboutscience.org/data/files/resources/189/Making-Sense-of-Allergies.pdf (http://www.senseaboutscience.org/data/files/resources/189/Making-Sense-of-Allergies.pdf)
just adding pdf , a better read that first link!
http://www.telegraph.co.uk/news/health/11652899/Parents-falling-for-allergy-myths.html (http://www.telegraph.co.uk/news/health/11652899/Parents-falling-for-allergy-myths.html)
oh, and this, take the test on the link!
http://www.theguardian.com/society/2015/jun/04/bogus-allergy-tests-causing-real-harm-say-experts (http://www.theguardian.com/society/2015/jun/04/bogus-allergy-tests-causing-real-harm-say-experts)
love this article from the guardian.