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immune system

·June 1, 2025·7 min read

T Cells Found Living in Healthy Brains

Contrary to long-standing beliefs, T cells—key immune cells—have been discovered in the healthy brains of both mice and humans. These cells, previously thought to only enter the brain during disease, were most concentrated in a region that regulates hunger and thirst.

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Featured Neurology Neuroscience

·May 26, 2025·3 min read

Daylight Boosts Immune Defense

Researchers have discovered that daylight enhances the infection-fighting power of neutrophils, the most abundant white blood cells in the body. Using transparent zebrafish, scientists observed that these immune cells contain internal circadian clocks that are activated by light, boosting their bacterial-killing ability during the day.

Featured Neurology Neuroscience

·May 17, 2025·6 min read

Babies Fight COVID Differently Than Anyone Else

Infants hospitalized with severe COVID-19 mount an immune response that looks entirely different from that of adults or older children. Researchers found both interferon responses and inflammation were elevated simultaneously—something never before observed in other viral infections.

Brain Cancer Featured Neurology Neuroscience

·May 13, 2025·7 min read

CAR-T Brain Fog Mirrors Chemo and COVID

Patients receiving CAR-T cell therapy often report brain fog, and new research shows this cognitive impairment stems from the therapy itself, not just the cancer or other treatments. A mouse study revealed that CAR-T-induced immune responses activate brain microglia, triggering inflammation that damages myelin-producing cells, reducing signal efficiency in the brain.

Featured Genetics Neuroscience

·May 8, 2025·4 min read

Bigger Brains and Strong Immunity Linked to Longer Lifespans

New research reveals that mammals with larger brains and more robust immune systems tend to live longer lives. By studying 46 species, scientists found a clear link between maximum lifespan and the expansion of immune-related gene families.

Featured Neuroscience

·May 8, 2025·4 min read

How Brain Signals Shape Its Protective Waste Disposal Network

The brain’s meningeal lymphatic system plays a key role in clearing waste and transporting immune cells, but until now, how it develops was unclear. Using zebrafish and advanced imaging, researchers revealed that neural activity regulates this system by influencing specialized glial cells that release Vegfc, a key growth factor.

Featured Neuroscience Psychology

·May 7, 2025·4 min read

Psychedelics Rewire Brain-Immune Circuits

New research reveals that psychedelics like psilocybin do more than alter brain activity — they reshape how the brain and immune system communicate. Scientists identified a pathway where chronic stress disrupts amygdala signaling, triggering immune responses that increase fear and anxiety.

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Featured Genetics Neuroscience Psychology

·May 2, 2025·4 min read

Immune System Tied to Mental Health Disorders

New research reveals that immune system activity may play a causal role in conditions like schizophrenia, depression, and Alzheimer’s disease. Using Mendelian randomisation, scientists linked 29 immune-related proteins to seven neuropsychiatric disorders, suggesting the brain is not the only organ involved in mental health.

Featured Neurology Neuroscience

·April 28, 2025·3 min read

Immune Dysfunction May Drive Alzheimer’s Progression

A new study highlights a potential role for immune system dysfunction in the onset and progression of Alzheimer's disease. Researchers found that neuroinflammation, trained innate immune memory, and cellular reprogramming may interact with amyloid and tau proteins to drive disease pathology.

Featured Neuroscience

·April 24, 2025·4 min read

Immune Resilience Identified as Key to Healthy Aging and Longevity

A new study reveals that immune resilience, a person’s ability to maintain a robust, youthful immune system, plays a critical role in promoting long-term health and extending life. By analyzing data from over 17,000 individuals, researchers found that immune resilience, particularly involving the TCF7 gene, protects against chronic inflammation, immunosenescence, and cell death.

Featured Genetics Neuroscience

·April 14, 2025·4 min read

One Gene Mutation Disrupts Both Immunity and Brain Development

Researchers have uncovered a surprising mechanism by which a single genetic mutation in the BCL11B gene causes both immune dysfunction and brain development issues. Instead of merely disabling the protein’s normal function, the mutated BCL11B protein interferes with other healthy proteins, such as BCL11A, causing broader damage.

Featured Neuroscience Psychology

·April 7, 2025·8 min read

Immune Signals Shape Social Behavior and Anxiety in the Brain

New research reveals that the immune molecule IL-17 can influence behavior by acting directly on specific regions of the brain. IL-17 reduces neuron excitability in the cortex to enhance sociability, while in the amygdala, it increases excitability and induces anxiety.