"What we found most surprising about our findings was that people with severe mental illness were so open about their illness experiences on a public social media website like YouTube," said lead author John Naslund, a PhD student in health policy at The Dartmouth Institute for Health Policy & Clinical Practice.
"We saw that people with severe mental illness did not appear to be concerned about the risks of openly sharing their personal illness experiences because they really wanted to help others with similar mental health problems," said Naslund.
They also sought to learn from the experiences of others about using medications and seeking mental health care.
"It helps them to overcome fears associated with living with mental illness, and it also creates a sense of community among these individuals," the researchers said.
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Severe mental illness such as schizophrenia, schizoaffective disorder, and bipolar disorder are among the leading causes of disability worldwide. These serious mental illnesses are also associated with a great deal of stigma and discrimination.
"What is also important is that our findings are consistent with how peer support is viewed in mental health research and practice, which suggests that YouTube or other social media websites might help to extend the reach of informal peer support activities between people with severe mental illness," Naslund said.
Researchers said the study does have limitations, however, in that the work was exploratory.
The study was published in the journal PLOS ONE.