Dr. Kayvan Haddadan’s Blog
New evidence: Immune system cells in the gut linked to stress-induced depression
The findings of the study were published March 20, 2023 in the journal Nature Immunology. "The results of our study highlight the previously unrecognized role of intestinal gamma delta T cells (γδ T cells) in modifying psychological stress responses, and the...
Causes Of Depression
There is no single main cause of depression. The condition is triggered for different reasons in different individuals. However, some of the known risk factors and triggers for depression include: Familial predisposition: It has been shown that depression can run in...
Immune system cells in the gut linked to stress-induced depression
In experiments with mice and humans, a team led by Johns Hopkins Medicine researchers says it has identified a particular intestinal immune cell that impacts the gut microbiome, which in turn may affect brain functions linked to stress-induced disorders such as...
How Pets Help Manage Depression
Avigayil Brown has been an animal lover her whole life. "I grew up having a lot of pets: dogs, cats, bunnies, fish, birds, and a horse," says Brown, who's 24 and lives in Brooklyn, NY. She has dealt with depression since she was 12, but it wasn't until she faced a...
How does yoga affect depression?
More studies are using randomized controlled trials to look at the relationship between yoga and depression. Randomized controlled trials are the best ways to verify study results. According to the Harvard Mental Health Letter, recent studies suggest that yoga can:...
Social Anxiety Disorder
It's normal to feel nervous in some social situations. For example, going on a date or giving a presentation may cause that feeling of butterflies in your stomach. But in social anxiety disorder, also called social phobia, everyday interactions cause significant...
Pain and depression: Is there a link?
Pain and depression are closely related. Depression can cause pain — and pain can cause depression. Sometimes pain and depression create a vicious cycle in which pain worsens symptoms of depression, and then the resulting depression worsens feelings of pain. In many...
How to Improve Mental Health
How can I improve my mental health? There are many different things you can do to improve your mental health, including: Staying positive. It's important to try to have a positive outlook; some ways to do that include Finding balance between positive and negative...
Cyclothymia (cyclothymic disorder)
Overview Cyclothymia (sy-kloe-THIE-me-uh), also called cyclothymic disorder, is a rare mood disorder. Cyclothymia causes emotional ups and downs, but they're not as extreme as those in bipolar I or II disorder. With cyclothymia, you experience periods when your mood...
New study reveals differences in diagnosis of psychiatric disorders between geographies
Psychiatrists diagnose psychiatric disorders by observing a patient's symptoms and applying diagnostic criteria, such as those in the Diagnostic and Statistical Manual of Mental Disorders, which is widely used in the United States. However, the diagnostics tests...