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You are here: Home / Impact / Join the world’s largest study of anxiety and depression
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Join the world’s largest study of anxiety and depression

27th February 2026

Join the world’s largest study of anxiety and depression

Oxford Health NHS Foundation Trust (OHFT) are recruiting participants for the world’s largest study of anxiety and depression.

The Genetic Links to Anxiety and Depression (GLAD) Study, led by the National Institute for Health and Care Research (NIHR) Mental Health BioResource is a project set up to support studies exploring risk factors for depression and/or anxiety.

In the UK, 1 in 3 people will experience symptoms of anxiety or depression during their lifetime, and treatment is only effective in about half of people, with symptoms often having devastating impacts on people’s quality of life.  

The GLAD study aims to collect the psychological, medical, and genetic information of 40,000 people with experience of anxiety and depression and 10,000 individuals without any history of mental disorder.

Collecting information about people both with and without a mental health disorder allows researchers to explore why some people do, and some people don’t become unwell. This will help researchers better understand the role both our genes and environment play in the development of these illnesses.

To take part in the GLAD Study you must either:

  • Have experienced anxiety or depressive disorders (with or without a medical diagnosis)
  • Have never experienced any mental health disorder.

You must:

  • Be aged 16 or over
  • Live in the United Kingdom.

Watch this short film on Youtube for more information or visit the GLAD Study website to check eligibility and sign up to participate.

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