![](https://twins.org.au/files/2023/06/twinsflex2139D_young_adult_female_exercise.jpg)
Eligibility: twins of all ages The Health and Lifestyle Questionnaire will be used to help research. It is a questionnaire developed for TRA members and asks about a range of topics including members’ background, health conditions and lifestyle information. All information remains confidential. Invitations to complete the Health & Lifestyle Questionnaire will be sent via email […]