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Alzheimer’s disease

Featured Genetics Neurology Neuroscience

·April 10, 2025·5 min read

Blocking Tim-3 Boosts Microglia in Alzheimer’s

New research reveals that the immune checkpoint molecule Tim-3 plays a critical role in how microglia, the brain’s immune cells, respond to Alzheimer’s disease. While Tim-3 normally helps maintain brain homeostasis, it can also inhibit microglia from clearing harmful plaques that accumulate in Alzheimer’s.

Featured Neurology Neuroscience

·April 9, 2025·2 min read

Dad’s Alzheimer’s May Raise Tau Levels in Your Brain

New research reveals that people with a father who had Alzheimer’s may be more vulnerable to the spread of tau protein in the brain, a hallmark of the disease. The study followed 243 individuals with a family history of Alzheimer’s over nearly seven years and found that those with affected fathers, especially women, showed greater tau buildup.

Featured Neurology Neuroscience Visual Neuroscience

·April 9, 2025·5 min read

Eye Clues May Reveal Early Dementia Risk

A new study has found that blood vessels in the retina may hold early clues about a person’s risk of developing dementia. Researchers observed that narrower arterioles, wider venules, and thinner retinal nerve fiber layers were linked to higher dementia risk around midlife.

Featured Neurology Neuroscience

·April 8, 2025·5 min read

Natural Compound in Kale May Help Treat ALS and Dementia

A natural antioxidant found in foods like kale and berries, kaempferol, may help protect nerve cells and shows promise as a treatment for ALS and dementia. Researchers found that it improves energy production and eases stress within nerve cells, helping maintain muscle function and slow degeneration.

Featured Neurology Neuroscience

·April 8, 2025·4 min read

Blood Flow Boosts Brain Stiffness in Key Memory Region

Researchers have discovered that increased blood flow is linked to greater stiffness in the hippocampus, the brain region vital for memory and learning. This is significant because the hippocampus is among the first regions affected by Alzheimer’s disease.

This shows a brain and a doctor with a syringe.

Featured Neurology Neuroscience

·April 8, 2025·5 min read

Shingles Vaccine Linked to Lower Dementia Risk

A new study has found that getting vaccinated against shingles may reduce the risk of developing dementia by 20% over seven years. This conclusion comes from a natural experiment in Wales, where vaccine eligibility was determined by birthdate.

This shows a brain and an older man weight training.

Featured Neurology Neuroscience

·April 2, 2025·7 min read

Weight Training May Slow Cognitive Decline and Protect Aging Brains

A new study shows that weight training not only boosts physical strength but also protects the brains of older adults with mild cognitive impairment. After six months of twice-weekly resistance training, participants showed memory improvements and protection against brain atrophy in regions linked to Alzheimer’s disease.

Featured Neurology Neuroscience

·March 31, 2025·5 min read

Less Deep Sleep Linked to Brain Shrinkage, Alzheimer’s Risk

New research shows that reduced time in slow wave and REM sleep is associated with smaller brain volumes in regions vulnerable to Alzheimer’s disease. Using sleep studies and brain imaging data from 270 participants, researchers found that poor sleep architecture was linked to brain atrophy over time—particularly in the inferior parietal region, an area affected early in Alzheimer’s.

Featured Neurology Neuroscience

·March 31, 2025·4 min read

Smell Test at Home May Sniff Out Early Cognitive Decline

A new study highlights that olfactory testing could offer a simple, cost-effective way to detect early cognitive impairment from home. Researchers found that older adults with mild cognitive issues performed worse on odor identification and memory tasks than cognitively normal individuals.

Featured Neurology Neuroscience

·March 27, 2025·5 min read

Type 2 Diabetes Rewires the Brain Like Early Alzheimer’s

New research reveals that Type 2 diabetes may impair the brain’s reward and memory processing in ways that mirror early Alzheimer’s disease. The study focuses on the anterior cingulate cortex (ACC), a brain region responsible for motivation and emotional regulation, and its interaction with the hippocampus.

Featured Neurology Neuroscience

·March 25, 2025·6 min read

ADHD May Raise Dementia Risk

A new study finds that adults with ADHD show brain changes similar to those seen in early-stage dementia, including higher iron accumulation and increased neurofilament light chain (NfL) levels in the blood. Using advanced MRI scans and blood tests, researchers identified elevated iron in key brain regions and signs of nerve damage in ADHD patients compared to healthy individuals.

Featured Neurology Neuroscience

·March 20, 2025·3 min read

Changes in Sleep Patterns Could Predict Dementia Risk

A new study finds that women in their 80s who develop increasing daytime sleepiness over five years are twice as likely to develop dementia. Researchers tracked 733 women without cognitive impairment, using wrist devices to monitor sleep and circadian rhythms.