Help us improve our data: suggest a questionnaire

We're always eager to hear from researchers about how we can expand and improve our data.

Our research community plays a key role in shaping the questionnaires we share with participants. Many of our questionnaire topics come directly from researchers.

If you have a suggestion for a new questionnaire topic, please submit it via our questionnaire proposal form.

We typically send two questionnaires to participants each year, and our Study Development Group reviews new proposals every six months.

Your input helps us generate richer, more useful data for researchers studying a wide range of health-related topics.