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?

Amyloid Cascade Hypothesis

Is Alzheimer's Disease Transmissible?

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

Alzheimer's Disease Questions

Alzheimer's Disease Epidemiology

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

Dementia Prevention

Alzheimer's and Veganism

Coconut Oil and Dementia

Dementia Diagnosis

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Dementia Treatment

Aromatherapy for Dementia

Does Depression and Anxiety Increase the Risk of Dementia?

Childhood Dementia Causes

Can Happiness Protect You from Dementia?

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

Can Statins Protect Against Alzheimer’s Disease?

Alzheimer's Disease Treatments

Childhood Dementia Signs and Symptoms

Differences Between Alzheimer's and Dementia

Dementia with Lewy Bodies

Dancing Through Dementia: How Movement Aids Memory and Mood

Inflammation and Alzheimer's Disease

Migraines and Dementia

Does Herpesvirus Cause Alzheimer's?

Alzheimer's Disease Causes

Alzheimer's Disease Diagnosis

Mixed Dementia Prevention and Treatment

Stress and Alzheimer's Disease

Alzheimer's Disease Symptoms

Integrated PET/MR for Alzheimer’s Disease

Alzheimer’s Disease and Gingko Biloba

Mixed Dementia Symptoms and Diagnosis

AAM - Genetics of Alzheimer's

Pollution and Alzheimer's

Stem Cell Therapy for Alzheimer's

Types of Alzheimer's Disease

What is Dementia?

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

Bright Light Therapy and Dementia

Biomarkers for Alzheimer's Disease

Alzheimer's Disease Prevention

Omega-3 and Alzheimer’s Disease

Designing Dementia-Friendly Environments

Antibody Research and Alzheimer’s Disease

Alzheimer's Disease and the Microbiome

What is Mixed Dementia?

Transcutaneous Electrical Nerve Stimulation for Dementia

Mythbusting: Misconceptions in Dementia

Gender and Alzheimer’s Risk

AAM - The Search for a Cure to Alzheimer's

Alzheimer's Disease and Sleep Disruption

AAM - Air pollution and Alzheimer's

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

Diet and Alzheimer's Disease

Dementia Symptoms

Antidepressants and Dementia: Is There a Link?

Alzheimer’s Disease and Calcium Supplements

What Causes Dementia?

Latest Alzheimer's & Dementia News and Research

UH College of Pharmacy secures funding for three major health studies

University of Houston College of Pharmacy researchers have secured more than $1 million in new funding to support three separate studies targeting sepsis, Alzheimer's disease and related dementias, and depression in patients with sickle cell disease.

11 Aug 2026

Senescent brain immune cells secrete protein linked to cognitive decline

Brain-resident immune cells that have reached an old-age state called "senescence" secrete a protein that causes dysfunction in other brain cells, according to a study led by investigators at Weill Cornell Medicine.

11 Aug 2026

Shared cellular pathway drives neurodegeneration in rare childhood dementia and Alzheimer’s

Researchers at University of California San Diego and their colleagues have identified a key cellular pathway that drives brain degeneration in both a rare childhood disorder and the far more common Alzheimer's disease.

11 Aug 2026

Nocturnal micro-awakenings linked to genetic risk of Alzheimer's disease

What if certain signs of the disease were to manifest themselves subtly during sleep, long before the first memory problems appear? This is the line of inquiry being explored by a team of researchers at ULiège, with the support of the Stop Alzheimer's Foundation.

11 Aug 2026

New UH Health initiative targets Texas healthcare workforce shortage

Addressing Texas' growing healthcare workforce shortage and rising demand for care, the University of Houston has launched UH Health, an academic health enterprise designed to integrate education, research and community engagement across the University.

11 Aug 2026

New multi-protein blood test accurately detects late-stage Alzheimer's disease

Researchers have identified seven proteins in the blood that could enable better blood tests for Alzheimer's disease.

11 Aug 2026

Comprehensive brain cell map opens new avenues for Alzheimer's therapies

The brain's immune cells are increasingly recognized as key players in Alzheimer's disease, but exactly how they change as the disease develops has remained unclear.

11 Aug 2026

One cognitive ability stood out in a study of Western diets and Alzheimer’s risk genes

A Western dietary pattern was associated with faster attention decline among older adults carrying the APOE ε4 allele, while no significant cognitive associations emerged for a Prudent dietary pattern. However, the Western diet association lost statistical significance after excluding participants with possible baseline cognitive impairment, making the finding exploratory.

11 Aug 2026

Semaglutide slows blood protein signature linked to future dementia risk

A post hoc analysis of 2,970 older SELECT participants found that semaglutide slowed worsening of a 25-protein blood signature that predicts future dementia risk. Over 104 weeks, semaglutide produced larger effects on modeled 5-year than 20-year dementia risk, but whether these biomarker changes translate into less cognitive decline or dementia remains unknown.

10 Aug 2026

Faith-based screenings expand early dementia detection among African Americans

Alter Dementia, Dementia Care Aware (DCA) and SageNavigator facilitated more than 100 free, community-based cognitive screenings at the 2026 Alter Dementia Summit and Aging Well Expo in Atlanta, Georgia, for the 100 Minds Screening Project.

10 Aug 2026

Study links better midlife vascular health to nearly 13 more dementia-free years

A long-term study of 12,409 adults found that a greater burden of diabetes, hypertension, and current smoking in midlife was associated with substantially fewer years lived free of dementia. Adults with none of these risk factors had about 30.1 dementia-free years from age 55, compared with 17.5 years among those with all three, a difference of nearly 13 years.

10 Aug 2026

Simple biological age score flags higher cognitive decline risk in older adults

A study of 4,818 middle-aged and older Chinese adults found that higher light BioAge was associated with greater risks of cognitive impairment, episodic memory decline, and reduced mental intactness. The simple measure, based on age, creatinine, glucose, and CRP, added modest predictive information but requires further validation before clinical use.

10 Aug 2026

New USC center seeks answers to sex differences in aging

Women live longer than men in nearly every country in the world, yet they experience higher rates of disability, dementia and many other age-related conditions.

7 Aug 2026

Living near a dry cleaner may come with an unexpected Parkinson’s disease link

A nationwide case-control study of older U.S. Medicare beneficiaries found that living closer to a dry-cleaning establishment was associated with higher odds of incident Parkinson’s disease, with the strongest association among people living within 0.1 mile.

7 Aug 2026

Disrupted RNA methylation pathway accelerates Alzheimer’s and Parkinson’s risks

A growing understanding of RNA biology is reshaping how scientists view the relationship between environmental toxicants, brain development, and neurodegenerative disease.

7 Aug 2026

High-resolution scans reveal how depression affects hippocampal subfields

Researchers from the USC Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have found that depression is associated with smaller volume in a specific part of the hippocampus, a brain region essential for learning and memory.

6 Aug 2026

Barrow launches clinical study of ibogaine for neurological recovery

Barrow Neurological Institute has received a $5-million grant from the Arizona Department of Health Services to conduct a Phase 1/2 clinical trial investigating ibogaine for treating people with neurological disorders such as traumatic brain injury (TBI).

6 Aug 2026

Healthy midlife habits linked to longer dementia-free years

Having normal blood pressure, no diabetes, and not smoking from age 48 to 68, are associated with nearly 13 additional years on average of dementia-free life, a new study shows.

6 Aug 2026

Study reveals treatment gaps for atypical Alzheimer's disease patients

Many people with less common forms of Alzheimer's disease may not qualify for newer anti-amyloid treatments designed to slow the disease, according to a study published August 5, 2026, in Neurology®, the medical journal of the American Academy of Neurology.

5 Aug 2026

NIH funds Boston University center for Alzheimer's prevention studies

Maria Glymour, Andrew Stokes, and Deborah Carr will lead the Boston University-Quantitative Population Science and Healthy Cognitive Aging Research Program (BU-SHARP) to foster national research collaboration on preventing and ameliorating the consequences of Alzheimer's disease and related dementias in disproportionately affected populations.

5 Aug 2026