Suicidal poet haiku

A study led by James Pennebaker and reported in the journal Psychosomatic Medicine claims that analysis of the poetry of writers who committed suicide gives clues about their eventual fate. Were their poems like this haiku?

When his necked snapped

Falling down from a great height

He sighed with relief

Is that too obvious? Well, that fanciful UK paper The Register weighs in on the research.