"Minister warns of in-breeding risk for Christians" http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2008/02/10/ninbreds210....
I guess Christians wouldn't be amused about that Telegraph headline either.
That's sensationalist journalism, you shouldn't read anything into it. I don't think the MP in question actually said "Muslims", I think he said "the Asian community", which is much more factually accurate. It's very much a cultural, not religious, issue.