Please note that the Bugs and Brains Study has finalized recruitment for the full study involving the interview assessment and collection of biological specimens.

Recruitment for the online questionnaire-only component of the study is still ongoing.

Please contact us here if you would like further information about participating or have any questions

The questionnaire-only component of the Bugs and Brains Study involves the completion of two online questionnaires. The first questionnaire asks about a variety of factors related to demographic, lifestyle, early life, and gut, mental and physical health. The second questionnaire is a detailed food frequency questionnaire which asks about your usual dietary preferences.

For further details about what participation in the Bugs and Brains study involves, please read through the Plain Language Statement (PDF 98.4 KB).