Join a current study

Are you a twin or triplet? A very precious gift that only you can give is the donation of your time to a twin study. By participating in twin studies, you'll be helping researchers to better understand what contributes to our health and happiness.

Below are our latest studies seeking twins and triplets. You'll find there are many ways to get involved - and often it is as simple as completing a questionnaire but this can be invaluable to research.

If you are interested in any, please click on the individual study link. We'll get back to you with further details. If you'd like to be alerted when a new study begins, please contact us. TRA and our researchers appreciate your time and interest.

Men's Health Questionnaire

Eligibility: all male twins 18+ years of age.  Australian males experience poorer health compared with Australian females. They have a shorter life expectancy and are at greater risk of developi... Read more >

Health and Lifestyle Questionnaire (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 cond... Read more >

Causal influences on restless legs syndrome

Eligibility: twins aged 30-55, with or without restless legs syndrome.  The purpose of this study is to improve our understanding of restless legs syndrome and childhood growing pains, and find ... Read more >

The resilience study

Eligibility: Previously participated in 'The Emotional Well-being Project'.  This study aims to identify the psychological and brain factors that contribute towards resilience over a 10-year and... Read more >

Does joining groups make you healthy?

Eligibility: all twins aged 18-85.  The purpose of this study is to examine personality, group membership and processes, political attitudes, and health. ... Read more >

Genetic influences on daily physical activity, lower back movement and foot function

Eligibility: healthy same-sex twins (identical and non-identical) aged 18-45, living in Sydney. This study aims to better understand the extent to which genetics influence how we move, and how m... Read more >

Singing study: The nature and nurture of singing ability

Eligibility: non-identical twins same-sex 18+ years of age.  Many studies have shown that singing is good for us. By understanding the genetic and environmental influences on singing, the resear... Read more >

Queensland Twin Adolescent Brain Project

Eligibility: twins aged 9-12 years, living in Brisbane. The teenage brain is a work in progress, with major changes in the areas that support thinking, reasoning, interpersonal interactions, emo... Read more >

Older Australian twins study: amyloid imaging (adults)

Eligibility: twins & multiples aged 65+ years, living in VIC or NSW.  A known predictor in brain ageing is 'plaques' which contain the amyloid protein. It is not known however what causes th... Read more >

Atrial Fibrillation (all ages)

It is believed that inherited heart defects can predispose sufferers to AF but what genes are involved and the way in which changes in these genes can lead to AF are not well understood. The researche... Read more >

Menopause and bone health

Eligibility: female twins aged 60+ years, living in VIC.  The purpose of the study is to understand how bone structure changes during menopause and how hormonal factors contribute to bone loss a... Read more >

Genetics of speech disorders (juniors)

Eligibility: twins aged 5-11 years, where one or both twins have a speech disorder.  In an exciting new development, researchers from the Florey Institute of Neuroscience and Mental Health ... Read more >

TANDEM study (juniors)

Eligibility: identical twins aged 9-15 years.  This project is investigating how temperament develops over time, with a particular focus on the period of late childhood through to mid-adolescenc... Read more >

The AUstralian Twin BACK pain (AUTBACK) study

Eligibility: twins 18+ years of age. Is there a link between the amount of physical activity and whether or not someone develops back pain? Researchers from the University of Sydney lead by Professor... Read more >

Exercise and Training Twin Study

Eligibility: non-identical male twins aged 18-40 years, living in Perth.  Many studies have shown that exercise has many beneficial effects in terms of preventing heart disease, cancers, stroke ... Read more >

Breast cancer (adults)

This project aims to understand better the roles of childhood, adolescence and epigenetics in the risk of breast cancer. Epigenetics refers to changes in the way genes operate due to environmental cha... Read more >

Sleep trial study; low back pain (adults)

Eligibility: Individuals or twin pairs aged 18-65 years.  This project will investigate the value of a sleep quality program in people with low back pain and insomnia. ... Read more >

Twins Research Australia

Address: 3/207 Bouverie St
Carlton, Vic 3010

Freecall: 1800 037 021

Email: info@twins.org.au

ABN: 84 002 705 224

Twins Research Australia is a national resource supported by a Centre of Research Excellence Grant from the National Health and Medical Research Council and housed within the University of Melbourne.

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