Rats and cats - - -

'Cat ladies' more likely to commit suicide, scientists claim

Women who own cats are more likely to have mental health problems and commit suicide because they can be infected by a common parasite that can be caught from cat litter, a study has found.

http://www.telegraph.co.uk/science/science-news/9371006/Cat-ladies-more-likely-to-commit-suicide-scientists-claim.html