News Bite: How Stress Affects Our Brain & Mood

Scientists found that when someone has long-term stress, special immune cells called neutrophils (they usually fight germs) leave the bones in the skull and go into the brain’s protective covering.
These immune cells hanging out in the brain seem to cause symptoms of depression (sadness, lack of energy, feeling down).
In experiments with mice, turning off a particular “alarm” signal (called type I interferon) reduced those neutrophils in the brain and made the mice act less depressed.

Why This Matters

Many people don’t respond well to regular antidepressants — about 1 in 3.
This new research suggests that for some, inflammation (immune response) is playing a big role. If we can target that, we might help people who haven’t gotten better with usual treatments.

The NuroSpark Way Forward

We’ll keep updating our courses and workshops to include info about how the immune system and inflammation relate to mental health — so our students know all sides of depression.
We aim to offer training in early signs of immune-related stress, stress management tools that reduce inflammation (like better sleep, movement, calming practices).
And, we’re exploring partnerships (with researchers and clinics) so we can bring newer therapies — those that go beyond just “chemical fixes” — to people who need more help.

Share this article with someone who might need it.

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