Mental health problems affect one in four people in England each year, with depression and anxiety among the most widespread issues.
Find out if you should be seeking help by answering a few short questions.
If you are having trouble understanding any of these questions, or at any point you start to feel distressed, please stop and seek the advice of a medical professional. See the links below for organisations that may be able to help you.
About the self assessment: The first eight questions are taken from a measure known as the Patient Health Questionnaire 9 or PHQ-9, used by doctors to assess and monitor depression severity. The PHQ-9 was developed by Dr Robert L Spitzer, Dr Janet B W Williams, Dr Kurt Kroenke and colleagues, with an educational grant from Pfizer Inc.
In The Mind - a series exploring mental health issues
Explained: What is mental health and where can I go for help?