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Alzheimer’s disease

·December 20, 2024·8 min read

Chronic Gut Virus May Play a Role in Alzheimer’s Development

Researchers have linked chronic intestinal infections caused by cytomegalovirus (HCMV) to a unique subtype of Alzheimer’s disease. The virus may travel from the gut to the brain via the vagus nerve, altering immune responses and contributing to hallmark Alzheimer’s changes like amyloid plaques and tau tangles. While HCMV infection is common and typically harmless, this study found that it may cause chronic brain inflammation in certain individuals.

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Featured Neurology Neuroscience

·December 16, 2024·5 min read

Some Sedentary Activities Are Good For Brain Health

New research highlights that some sedentary activities, like reading or crafting, are better for brain health than others, such as watching TV or gaming. A study of 397 older adults found that mentally stimulating and socially engaging activities support memory and thinking abilities, while passive screen time is linked to cognitive decline.

Featured Neurology Neuroscience Neuroscience Videos

·December 10, 2024·5 min read

Diets That Reduce Brain Iron May Delay Cognitive Decline

New research suggests that certain nutrients may lower iron buildup in the brain, a factor linked to cognitive decline in aging. Excess non-heme iron, which accumulates over time, contributes to oxidative stress and can impair memory and executive function.

Featured Neuroscience Psychology

·December 6, 2024·5 min read

Antipsychotics Worsen Behavior in Dementia

A study of 500,000 Canadian nursing home residents found antipsychotic medications significantly worsened behaviors in patients, with nearly 68% experiencing increased issues. Antipsychotics are often prescribed "off-label" for dementia-related symptoms, despite serious side effects like tremors and cognitive decline. Researchers advocate for person-centered care, emphasizing non-drug therapies like music, art, and exercise to address behavioral issues.

This shows a brain and a bottle of herbicide.

Featured Neurology Neuroscience

·December 4, 2024·9 min read

Herbicide Exposure Linked to Long-Term Brain Inflammation, Alzheimer’s

New research reveals that glyphosate, a widely used herbicide, can cause lasting brain inflammation and accelerate Alzheimer’s-like pathology in mice. Even short-term exposure resulted in persistent inflammatory markers and neurological damage, including anxiety-like behaviors and premature death. The study found that glyphosate’s metabolite, aminomethylphosphonic acid, accumulates in brain tissue, raising concerns about its long-term safety for humans.

Featured Neurology Neuroscience

·December 4, 2024·3 min read

Study Links Muscle Loss to Alzheimer’s Risk

New research shows that skeletal muscle loss, measured through temporalis muscle size on brain MRIs, is associated with a higher risk of developing Alzheimer’s disease. A study of 621 older adults found that those with smaller temporalis muscles were 60% more likely to develop dementia and experienced greater cognitive and brain volume decline over nearly six years.

Featured Neurology Neuroscience

·December 2, 2024·5 min read

Visceral Fat May Indicate Alzheimer’s Risk Decades Before Symptoms

A new study links visceral fat, a deep layer of abdominal fat, to increased brain amyloid and tau proteins—key markers of Alzheimer’s disease—decades before dementia symptoms arise. Researchers found that visceral fat accounted for 77% of the relationship between high BMI and amyloid accumulation, while other fat types showed no similar impact. The study highlights how managing visceral fat through lifestyle changes or medication could reduce Alzheimer's risk.

Featured Neurology Neuroscience

·November 26, 2024·3 min read

Alzheimer’s Drug Shrinks Brain Volume by Removing Amyloid Plaques

Brain volume loss linked to new Alzheimer’s immunotherapies, such as lecanemab, is caused by the removal of amyloid plaques rather than neuronal damage. Researchers analyzed data from multiple trials and coined the term "amyloid-removal-related pseudo-atrophy" (ARPA) to describe this phenomenon.

Featured Genetics Neurology Neuroscience

·November 21, 2024·5 min read

Maternal Inflammation May Shape Offspring’s Alzheimer’s Risk

Maternal immune activity during pregnancy influences memory circuitry in offspring, with sex-specific effects extending into midlife. Elevated immune markers like IL-6 and TNF-a in mothers were linked to adverse brain activity in memory regions, particularly in postmenopausal women, and lower cognitive performance in children.

Featured Neurology Neuroscience

·November 20, 2024·3 min read

Earpiece Tech Detects Early Alzheimer’s Through Eye Movement Signals

Researchers are exploring how earpiece microphones, or "hearables," could detect early signs of Alzheimer’s disease by monitoring subtle eye movement changes. Alzheimer’s impacts motor and cognitive functions, with slowed or delayed eye movements (saccades) being an early indicator.

Featured Neurology Neuroscience

·November 19, 2024·5 min read

Early-Onset Diabetes Linked to Increased Dementia Risk

New research reveals that individuals diagnosed with type 2 diabetes at a younger age face a higher risk of developing dementia, particularly those with obesity. The study found that for each year earlier type 2 diabetes is diagnosed, dementia risk increases by 1.9%.

This shows a researcher holding a card with blood on it, a brain is in the background.

Featured Neurology Neuroscience

·November 18, 2024·3 min read

Finger-Prick Test Brings Alzheimer’s Detection Closer to Everyone

A new Alzheimer’s test collects just a few drops of blood from a finger prick, which can be mailed to a lab for analysis. The test measures biomarkers like pTau217 and has shown similar accuracy to traditional venous blood sampling.

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Alzheimer’s disease

Chronic Gut Virus May Play a Role in Alzheimer’s Development

Some Sedentary Activities Are Good For Brain Health

Diets That Reduce Brain Iron May Delay Cognitive Decline

Antipsychotics Worsen Behavior in Dementia

Herbicide Exposure Linked to Long-Term Brain Inflammation, Alzheimer’s

Study Links Muscle Loss to Alzheimer’s Risk

Visceral Fat May Indicate Alzheimer’s Risk Decades Before Symptoms

Alzheimer’s Drug Shrinks Brain Volume by Removing Amyloid Plaques

Maternal Inflammation May Shape Offspring’s Alzheimer’s Risk

Earpiece Tech Detects Early Alzheimer’s Through Eye Movement Signals

Early-Onset Diabetes Linked to Increased Dementia Risk

Finger-Prick Test Brings Alzheimer’s Detection Closer to Everyone

The Personality Gap Between Singles and the Partnered

Classical vs. Operant Conditioning: The Brain’s Memory Tug-of-War

Lithium Restores Brain Function and Behavior in Autism

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