[A. Pole]

I am consequently faced with a perplexing dilemma: to argue a moral issue without injecting religion.

What about public health? Homosexuals live much shorter than heavy smokers and they are often infected.

[Violette]

"What about public health? Homosexuals live much shorter than heavy smokers and they are often infected."

That's hardly enough reason to state that they shouldn't be allowed to marry. There are heterosexuals who marry someone who they love as a dying wish. There are young heterosexual females that marry very old men. i.e. Anna Nicole Smith.

[panther33]

But, like smokers, isn't that their own personal choice?

Although it would be a public health danger to have millions of men walking around with STDs, the potential for contamination would be ridiculously high...