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.

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

Mixed Dementia Prevention and Treatment

AAM - The Search for a Cure to Alzheimer's

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

Alzheimer's Disease Treatments

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

Types of Alzheimer's Disease

Mythbusting: Misconceptions in Dementia

Gender and Alzheimer’s Risk

Aromatherapy for Dementia

Antidepressants and Dementia: Is There a Link?

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What is Dementia?

Pollution and Alzheimer's

Differences Between Alzheimer's and Dementia

Dementia Diagnosis

AAM - Air pollution and Alzheimer's

Dementia Symptoms

Alzheimer's Disease and the Microbiome

Migraines and Dementia

Alzheimer's Disease Causes

Alzheimer's Disease Questions

Amyloid Cascade Hypothesis

Omega-3 and Alzheimer’s Disease

Alzheimer's Disease Diagnosis

Designing Dementia-Friendly Environments

What are Amyloid Plaques?

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

Bright Light Therapy and Dementia

Dancing Through Dementia: How Movement Aids Memory and Mood

Coconut Oil and Dementia

Does Herpesvirus Cause Alzheimer's?

What Causes Dementia?

Dementia Prevention

Antibody Research and Alzheimer’s Disease

Biomarkers for Alzheimer's Disease

Alzheimer's Disease Epidemiology

Integrated PET/MR for Alzheimer’s Disease

Diet and Alzheimer's Disease

Alzheimer's and Veganism

Alzheimer's Disease Symptoms

Transcutaneous Electrical Nerve Stimulation for Dementia

Does Depression and Anxiety Increase the Risk of Dementia?

AAM - Genetics of Alzheimer's

Dementia with Lewy Bodies

Alzheimer's Disease Prevention

Can Happiness Protect You from Dementia?

Mixed Dementia Symptoms and Diagnosis

Dementia Treatment

Alzheimer’s Disease and Calcium Supplements

What is Mixed Dementia?

Childhood Dementia Signs and Symptoms

Is Alzheimer's Disease Transmissible?

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

Can Statins Protect Against Alzheimer’s Disease?

Stem Cell Therapy for Alzheimer's

Alzheimer’s Disease and Gingko Biloba

Inflammation and Alzheimer's Disease

Alzheimer's Disease and Sleep Disruption

Childhood Dementia Causes

Stress and Alzheimer's Disease

Latest Alzheimer's & Dementia News and Research

Experts issue strong call for overhaul of UK dementia prevention strategy

A national panel of experts has issued the strongest call yet for the Department of Health and Social Care to overhaul how it approaches dementia prevention, pointing to vital evidence that dementia risk can be reduced and providing a framework for the development of new government policy that could improve brain health for millions.

16 Jan 2026

Kaiser Permanente to pay $556 million in record Medicare Advantage fraud settlement

In the largest Medicare Advantage fraud settlement to date, Kaiser Permanente has agreed to pay $556 million to settle Justice Department allegations that it billed the government for medical conditions patients didn't have.

16 Jan 2026

New blood biomarker tracks brain injury progression after ischemic stroke

A new blood marker reflects the extent of brain injury after an ischemic stroke and can predict patient outcomes months to years later.

15 Jan 2026

Incretin-based diabetes drugs show potential protective effects against dementia

A large McGill University study has found that two classes of medications commonly prescribed for Type 2 diabetes, both incretin-based, are associated with a reduced risk of dementia.

15 Jan 2026

Autonomous AI system screens for cognitive impairment using routine clinical notes

A team of Mass General Brigham researchers has developed one of the first fully autonomous artificial intelligence (AI) systems capable of screening for cognitive impairment using routine clinical documentation.

15 Jan 2026

Repurposed Alzheimer’s medication offers low-cost hope for sickle cell anemia

Sickle cell anemia is the world's most common genetic disorder. It causes the red blood pigment hemoglobin to crystallize, which results in rigid, malformed red blood cells with a sickle shape.

15 Jan 2026

MIT researchers map dynamic fuzzy coat surrounding tau protein fibrils

One of the hallmarks of Alzheimer's disease is the clumping of proteins called Tau, which form tangled fibrils in the brain. The more severe the clumping, the more advanced the disease is.

14 Jan 2026

Hearing aid use has little impact on cognitive test scores

A new study has found that for people with moderate hearing loss, being prescribed hearing aids had little impact on cognitive test scores.

14 Jan 2026

Post-meal blood sugar spikes linked to increased Alzheimer's risk

A new study led by researchers from the University of Liverpool has found that spikes in blood sugar after meals may increase the risk of Alzheimer's disease.

14 Jan 2026

Vaccines are helping older people more than we knew

Let's be clear: The primary reason to be vaccinated against shingles is that two shots provide at least 90% protection against a painful, blistering disease that a third of Americans will suffer in their lifetimes, one that can cause lingering nerve pain and other nasty long-term consequences.

14 Jan 2026

New European initiative aims to transform real world Alzheimer’s disease care

Today, the ACCESS-AD consortium is announcing the launch of a transformative European initiative that will accelerate the implementation of scientific innovations for Alzheimer's disease (AD) management in real-world health systems.

13 Jan 2026

Study explores how biological and environmental systems regulate body weight

Pennington Biomedical researchers recently investigated the systems of the body that regulate weight, exploring whether our bodies defend an established weight target or if our bodies operate within a broader range of tolerance before biological mechanisms are activated.

13 Jan 2026

Study sheds new light on how structural brain changes are tied to memory decline in aging

A landmark international study that pooled brain scans and memory tests from thousands of adults has shed new light on how structural brain changes are tied to memory decline as people age.

13 Jan 2026

Single-cell analysis reveals gene disruptions in early-onset Alzheimer's brain regions

A new study led by researchers at UTHealth Houston investigated both gene expression and regulation at single cell levels to reveal disruptions in gene function in three brain regions of patients with sporadic early onset Alzheimer's disease.

13 Jan 2026

Research finds persistent prescribing of risky medications to older adults with dementia

Despite years of clinical guidelines warning against the practice, one in four Medicare beneficiaries with dementia is prescribed brain-altering medications linked to falls, confusion, and hospitalization, according to new research to be published January 12 in the peer-reviewed journal JAMA.

12 Jan 2026