Immune responses to viruses like SARS-CoV-2 may affect mental health, and vice versa. Doctors are uncovering exactly how.
Dec 1, 2021, 11:40am EST
By Brian Resnick
... Psychiatrists who study these mental illnesses say the culprit might lie in a connection between mental health and the immune system. They’re finding that mental health stressors could leave people more at risk for infection, and, most provocatively, they suspect that responses in the immune system might even contribute to some mental health issues.
There’s a lot that’s unknown here. But the pandemic is giving researchers a new window into these questions. And the research “might teach us something about how to protect these people from infection going forward,” Nemani says.
How the immune system can impact mental health
In September, the Centers for Disease Control and Prevention updated its list of underlying conditions that put people at higher risk for severe Covid-19, adding mood disorders — like depression and bipolar disorder — and schizophrenia spectrum diagnoses, a group that accounts for around 34 million Americans. It was a recognition of the growing evidence published by Nemani and colleagues across medicine, and prioritizes this group for vaccines and booster shots.
Roger McIntyre, a psychiatrist at the University of Toronto, is one of the co-authors of one of two systematic review studies that the CDC cited in its change. (Nemani is a co-author on the second.) To him, it’s no surprise that mental illness imparts an infection risk. “A thread that has been woven through many of these disorders is immune or inflammatory dysregulation,” McIntyre says.
That is, problems with the immune system tend to coincide with mental health issues. And problems with the immune system can lead people to have worse outcomes when it comes to SARS-CoV 2, the virus that causes Covid-19.
Dec 1, 2021, 11:40am EST
By Brian Resnick
... Psychiatrists who study these mental illnesses say the culprit might lie in a connection between mental health and the immune system. They’re finding that mental health stressors could leave people more at risk for infection, and, most provocatively, they suspect that responses in the immune system might even contribute to some mental health issues.
There’s a lot that’s unknown here. But the pandemic is giving researchers a new window into these questions. And the research “might teach us something about how to protect these people from infection going forward,” Nemani says.
How the immune system can impact mental health
In September, the Centers for Disease Control and Prevention updated its list of underlying conditions that put people at higher risk for severe Covid-19, adding mood disorders — like depression and bipolar disorder — and schizophrenia spectrum diagnoses, a group that accounts for around 34 million Americans. It was a recognition of the growing evidence published by Nemani and colleagues across medicine, and prioritizes this group for vaccines and booster shots.
Roger McIntyre, a psychiatrist at the University of Toronto, is one of the co-authors of one of two systematic review studies that the CDC cited in its change. (Nemani is a co-author on the second.) To him, it’s no surprise that mental illness imparts an infection risk. “A thread that has been woven through many of these disorders is immune or inflammatory dysregulation,” McIntyre says.
That is, problems with the immune system tend to coincide with mental health issues. And problems with the immune system can lead people to have worse outcomes when it comes to SARS-CoV 2, the virus that causes Covid-19.
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