Alzheimer's & Dementia

Alzheimer’s disease is an irreversible, progressive brain disorder that slowly destroys memory and thinking skills. Alzheimer’s is the most common cause of dementia among older adults. Dementia is the loss of cognitive functioning—thinking, remembering, and reasoning—and behavioral abilities to such an extent that it interferes with a person’s daily life and activities.

Alzheimer’s Disease | Definition, Causes, Diagnosis & Treatment

Alzheimer’s Disease (AD) is the most common form of dementia worldwide (60-70% of all dementia cases) and is a progressive neurodegenerative disorder.

What are Amyloid Plaques?

Parkinson's Compared to Dementia with Lewy Bodies (DLB)

Integrated PET/MR for Alzheimer’s Disease

Bright Light Therapy and Dementia

AAM - The Search for a Cure to Alzheimer's

Coconut Oil and Dementia

Dancing Through Dementia: How Movement Aids Memory and Mood

Alzheimer's Disease Epidemiology

Pollution and Alzheimer's

Dementia Symptoms

What is Mixed Dementia?

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AAM - Air pollution and Alzheimer's

Do Antioxidants Benefit Patients with Alzheimer’s and Parkinson’s?

Stem Cell Therapy for Alzheimer's

Dementia Treatment

Dementia Diagnosis

Can Happiness Protect You from Dementia?

Is Alzheimer's Disease Transmissible?

Alzheimer's Disease Diagnosis

Dementia with Lewy Bodies

Alzheimer's Disease Questions

Alzheimer's Disease Causes

Biomarkers for Alzheimer's Disease

Does Type 2 Diabetes Increase the Risk of Alzheimer’s Disease?

Antidepressants and Dementia: Is There a Link?

Alzheimer’s Disease and Gingko Biloba

Types of Alzheimer's Disease

Amyloid Cascade Hypothesis

Alzheimer's and Veganism

Can Statins Protect Against Alzheimer’s Disease?

Childhood Dementia Causes

What Causes Dementia?

Alzheimer's Disease Prevention

Aromatherapy for Dementia

Dementia Prevention

Alzheimer's Disease and Sleep Disruption

Does Depression and Anxiety Increase the Risk of Dementia?

Alzheimer’s Disease and Calcium Supplements

Mixed Dementia Prevention and Treatment

Alzheimer's Disease Symptoms

Designing Dementia-Friendly Environments

Transcutaneous Electrical Nerve Stimulation for Dementia

Does Type 2 Diabetes Increase the Risk of Alzheimer’s Disease?

Alzheimer's Disease Treatments

Mythbusting: Misconceptions in Dementia

Does Herpesvirus Cause Alzheimer's?

Antibody Research and Alzheimer’s Disease

What is Dementia?

Mixed Dementia Symptoms and Diagnosis

Stress and Alzheimer's Disease

Migraines and Dementia

Gender and Alzheimer’s Risk

Differences Between Alzheimer's and Dementia

Diet and Alzheimer's Disease

Childhood Dementia Signs and Symptoms

Omega-3 and Alzheimer’s Disease

Alzheimer's Disease and the Microbiome

Inflammation and Alzheimer's Disease

Alzheimer’s tangles and plaques: what’s the difference?

AAM - Genetics of Alzheimer's

Latest Alzheimer's & Dementia News and Research

Study finds widespread off-label use of antipsychotics among older people

The use of antipsychotic medications for purposes other than those officially approved is common among older adults in Finland.

23 Feb 2026

New review explores whether berries can slow cognitive decline linked to obesity

This systematic review in Nutrients evaluates human studies investigating whether polyphenol-rich berry consumption can modulate obesity-related metabolic dysfunction and support cognitive performance, particularly in individuals at risk of mild cognitive impairment. Evidence suggests modest memory benefits and possible metabolic improvements, although biomarker findings and long-term clinical relevance remain uncertain.

22 Feb 2026

Study identifies PPP2R5C blood marker that may detect Alzheimer’s disease earlier

Emerging evidence suggests reduced plasma PPP2R5C levels may serve as an early indicator of Alzheimer’s disease before overt clinical symptoms appear. The protein appears linked to tau regulation, autophagy pathways, and cognitive decline, supporting its potential diagnostic relevance.

22 Feb 2026

Blood test models predict when Alzheimer’s symptoms may start years in advance

Researchers developed plasma p-tau217–based clock models that estimate when cognitively unimpaired individuals with Alzheimer’s pathology may develop symptomatic disease. The models predicted symptom onset within about three to four years and may help improve clinical trial selection while remaining unsuitable for individual clinical decisions at present.

22 Feb 2026

New maps of mouse brains reveal patterns of myelin formation

Johns Hopkins scientists say they have used 3D imaging, special microscopes and artificial intelligence (AI) programs to construct new maps of mouse brains showing a precise location of more than 10 million cells called oligodendrocytes.

22 Feb 2026

Grant supports research into how microglia may spread toxic tau in Alzheimer’s

A researcher with the Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases at UT Health San Antonio has received a two-year, $402,500 grant award from the Cure Alzheimer's Fund to study how microglia, the brain's resident immune cells, paradoxically might contribute to the spread of toxic forms of tau protein in the disease.

20 Feb 2026

Brain injury protein in the blood could help estimate biological age in animals

The protein "neurofilament light chain" (NfL) – studied in humans in the context of neurodegenerative diseases and aging – is also detectable in the blood of numerous animals, and NfL levels increase with age in mice, cats, dogs, and horses.

20 Feb 2026

Brain organoids show goal-directed learning in control task

Imagine balancing a ruler vertically in the palm of your hand: you have to constantly pay attention to the angle of the ruler and make many small adjustments to make sure it doesn't fall over. It takes practice to get good at this.

19 Feb 2026

Major grant supports investigation into infectious triggers of Alzheimer’s and Parkinson’s

The Hebrew University of Jerusalem is proud to announce the establishment of the Sally Einstein Brain Research Program, made possible by a ₪1,000,000 (USD $300,930) grant from the Sim Einstein Research Foundation, Inc.

19 Feb 2026

Single blood test predicts onset of Alzheimer’s symptoms years ahead

Researchers at Washington University School of Medicine in St. Louis have developed a method to predict when someone is likely to develop symptoms of Alzheimer's disease using a single blood test.

19 Feb 2026

IFN-γ identified as a powerful blood biomarker for Alzheimer’s

This study identifies IFN-γ as a crucial blood-based biomarker for Alzheimer's, revealing its role in microglial inflammation and genetic risk interactions.

19 Feb 2026

Does Ginkgo biloba help dementia? New review examines the evidence

A major Cochrane review examines whether a widely used herbal supplement truly supports cognitive function, revealing modest dementia benefits but limited evidence for prevention or early impairment.

18 Feb 2026

Injectable clay-based bandages rapidly stop severe internal bleeding

Traumatic injury is the third leading cause of death in the state of Texas, surpassing strokes, Alzheimer's disease and diabetes, according to the Centers for Disease Control and Prevention.

18 Feb 2026

Exercise and protein drinks improve function in people with dementia

A simple combination of daily physical exercise and protein-rich nutritional drinks appears to offer significant health benefits for people with dementia.

18 Feb 2026

A simple handgrip test reveals how strong your working memory may be

Grip strength correlates with working memory performance and prefrontal activation, highlighting its potential as a cognitive health marker in older adults.

18 Feb 2026

Can GLP-1 drugs slow neurodegeneration? New review finds promising signals but limited clinical proof

This review examines how GLP-1 receptor agonists may influence neurodegenerative disease biology through metabolic, inflammatory, mitochondrial, and proteostasis pathways. Evidence from mechanistic, preclinical, and early clinical studies suggests potential neuroprotective effects, but definitive disease-modifying benefit remains unproven.

17 Feb 2026

Scientists uncover nanoplastics in brain tissue and question their role in neurological disease

Emerging evidence suggests nanoplastics accumulate in human tissues including the brain and may contribute to neuroinflammation and neurodegenerative disease pathways. However, causality, exposure routes, and long-term health effects remain uncertain and require coordinated research.

17 Feb 2026

Air pollution linked to higher risk of developing Alzheimer's disease

People with greater exposure to air pollution face a higher risk of developing Alzheimer's disease, according to a new study by Yanling Deng of Emory University, U.S.A., and colleagues, published February 17th in the open-access journal PLOS Medicine.

17 Feb 2026

JAX-NYSCF collaborates with GSK to advance human cellular models of neurodegenerative disease

The Jackson Laboratory–New York Stem Cell Foundation Collaborative (JAX-NYSCF) today announced a five-year strategic research collaboration with GSK focused on advancing human cellular models of neurodegenerative disease, including Alzheimer's disease.

17 Feb 2026

Specific neurobiological link identified between hearing loss and cognitive decline

Presbycusis is a prevalent form of age-related hearing loss that also hinders speech recognition. While scientists have linked hearing loss to an increased risk of cognitive decline, the biological "bridge" between the two has remained unclear.

16 Feb 2026