As they make clear themselves, the researchers also haven't any idea what the mechanism is behind the link they've found.

BBC: Warm, wet - and warring?

If the comments themselves don't make this clear, then e-mail the writers to find out.

CNN: Don't get taken at Web auctions

"Let's just make it real clear: Dead bodies in and of themselves -- while they are mental health issues and tragic -- they are not a public health issue from an infectious disease standpoint at all, " Guarisco said.

CNN: Experts: Disease outbreaks a real threat