About Bipolar Pendulum: stories and information Bipolar research Take part in the GLAD Study Developed in collaboration with mental health charity MQ and with patients and service users, the GLAD study seeks your involvement.To take part in the GLAD Study, you must: Have experienced clinical anxiety and/or depression during your life Be aged 16 and above Live in England The Genetic Links to Anxiety and Depression (GLAD) Study is designed for individuals over the age of 16. Kings College are offering an exciting opportunity to get involved in the largest ever study of anxiety and depression. Find out more and register.