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Snails have a unique coping mechanism of dealing with serotonin, which causes heart disease amongst humans. The hope is that by experimenting on them, an effective treatment can be found. You can view a transcript of this podcast at http://www.latrobe.edu.au/news/articles/2009/podcasts/snail-heart-research-with-michelle-gibson/transcript Copyright 2009 La Trobe University, all rights reserved. Contact for permissions.