In The FieldStomach bug makes food yield more calories Mice with a hefty dose of a certain gut bacteria are fatter. BACK TO ARTICLE Your details are incomplete or incorrect, please amend the following information %s Tell a Friend Your friend's email address (Required) Your email (Required) Message subject (Required) Message Verify (Required) Please ensure that your friend is content to receive an email from us with a link to the article. Select the following link to view our Privacy Policy. BACK TO ARTICLE