Latest

dementia

·January 27, 2025·5 min read

REM Sleep Delays May Indicate Early Alzheimer’s

Delayed rapid eye movement (REM) sleep may be an early indicator of Alzheimer’s disease. Researchers found that participants with delayed REM sleep had higher levels of toxic proteins associated with Alzheimer’s and reduced levels of brain-derived neurotrophic factor (BDNF), which supports memory.

Featured Neurology Neuroscience

·January 21, 2025·6 min read

Antibiotics and Other Drugs May Reduce Dementia Risk

A study analyzing data from over 130 million individuals found that antibiotics, antivirals, vaccines, and anti-inflammatory medications are associated with a reduced risk of dementia. This supports the idea that infections and inflammation contribute to dementia and highlights the potential of repurposing existing drugs for prevention or treatment.

This shows the outline of a person and a brain.

Featured Neuroscience

·January 20, 2025·6 min read

GLP-1 Drugs Offer Brain Benefits but May Pose Other Health Risks

A study analyzing data from over 2 million veterans found that GLP-1 receptor agonists, popular weight-loss drugs like Ozempic and Wegovy, provide significant neurological and behavioral health benefits, including reduced risks of addiction, Alzheimer’s, and dementia. However, they also pose risks for pancreatitis and kidney conditions, emphasizing the need for careful monitoring.

Featured Neurology Neuroscience

·January 18, 2025·7 min read

Processed Red Meat Linked to Higher Dementia Risk

A study of over 133,000 individuals found that consuming processed red meat daily increases dementia risk by up to 13%, while replacing it with alternatives like nuts, legumes, or fish may lower the risk by 20%. Higher processed meat intake was associated with accelerated cognitive aging and increased subjective cognitive decline (SCD).

Featured Neuroscience Psychology

·January 17, 2025·5 min read

Mapping the Link Between Personality and Cognitive Decline

A new study has identified three psychological profiles that influence brain health, cognitive decline, and dementia risk in aging adults. Profiles with high protective traits, like purpose and openness, show better cognition and brain integrity, while those with low protective traits or high negative traits face accelerated brain atrophy and mental health issues.

This shows the outline of people and brains.

Featured Neurology Neuroscience

·January 13, 2025·6 min read

Almost Half of Americans Over 55 Face Dementia Risk

New research finds that the lifetime risk of dementia after age 55 in Americans is 42%, significantly higher than previous estimates. Women face a higher risk (48%) than men (35%) due to their longer life expectancy. Risk factors include genetic predisposition, hypertension, diabetes, obesity, and limited physical activity.

Featured Neurology Neuroscience

·January 7, 2025·7 min read

New Biomarker Links Brain Waste Clearance to Vascular Dementia

A new study has identified a biomarker, DTI-ALPS, which connects glymphatic system dysfunction to vascular dementia. By analyzing over 3,750 participants, researchers found that lower DTI-ALPS scores correlated with worse executive function, highlighting the glymphatic system's role in clearing brain waste.

This shows people reading in front of a TV and a brain.

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 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.

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 Psychology

·December 3, 2024·3 min read

Empathy Loss in Dementia Linked to Brain Activity Changes

Frontotemporal dementia, affecting about 3% of dementia patients in Sweden, is characterized by a loss of empathy that challenges patients and their families. Using functional MRI, researchers found that patients showed no activation in brain networks associated with empathy when viewing distressing images, unlike healthy individuals.

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%.