Dementia

Dementia is not a specific disease. It is a descriptive term for a collection of symptoms that can be caused by a number of disorders that affect the brain. People with dementia have significantly impaired intellectual functioning that interferes with normal activities and relationships.

What Causes Dementia?

Dementia occurs due to loss of brain function that occurs with certain diseases. It can affect several brain functions such as memory, thinking, language, planning, behavior and judgement. Dementias are usually progressive and worsen with time. They usually are degenerative and non reversible.

Antidepressants and Dementia: Is There a Link?

Migraines and Dementia

Childhood Dementia Causes

Coconut Oil and Dementia

Dementia Prevention

Bright Light Therapy and Dementia

Transcutaneous Electrical Nerve Stimulation for Dementia

Mixed Dementia Symptoms and Diagnosis

Does Depression and Anxiety Increase the Risk of Dementia?

Aromatherapy for Dementia

Mixed Dementia Prevention and Treatment

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Dementia Treatment

What is Dementia?

Dementia with Lewy Bodies

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

Dementia Diagnosis

Differences Between Alzheimer's and Dementia

Dementia Symptoms

Childhood Dementia Signs and Symptoms

What is Mixed Dementia?

Latest Dementia News and Research

People with cerebral amyloid angiopathy more likely to develop dementia

Cerebral amyloid angiopathy (CAA) is a condition where protein (called amyloid) builds up in the brain, making blood vessels weak.

29 Jan 2026

Older adults' driving habits may provide early warning signs of cognitive decline or dementia

Older adults' driving habits revealed clues about their brain health and may provide early warning signs of cognitive decline or dementia, according to a preliminary study to be presented at the American Stroke Association's International Stroke Conference 2026.

29 Jan 2026

New calculator accurately estimates the risk of dementia after a stroke

A new risk calculator accurately estimated the likelihood of adults developing dementia within ten years after a stroke, according to a preliminary study to be presented at the American Stroke Association's International Stroke Conference 2026.

29 Jan 2026

Smartwatch app to track social interactions of stroke survivors may help maximize recovery

A smartwatch app designed to measure social interactions of hospitalized stroke survivors may enable new treatments to preserve or enhance cognition, social engagement and quality of life after a stroke, according to a preliminary study to be presented at the American Stroke Association's International Stroke Conference 2026.

29 Jan 2026

Nitrate source matters more than nitrate amount

Findings suggest that plant-sourced nitrates may reduce dementia risk, while animal and water sources are linked to increased risk, emphasizing diet quality.

29 Jan 2026

New evidence shows Parkinson’s spreads via immune cells from the gut

New research reveals how Parkinson's spreads from the gut to the brain, with the help of immune cells – offering a new potential therapeutic strategy – in a study in mice led by scientists at the UK Dementia Research Institute at UCL (University College London).

29 Jan 2026

Brain protein CUL5 protects neurons by clearing toxic tau clumps

Researchers at UC San Francisco have identified a hazardous waste collector in the brain that disposes of the toxic clumps of tau protein that can lead to dementia.

28 Jan 2026

New report provides updated prevalence figures for the number of people living with dementia

Alzheimer Europe has today launched the "The Prevalence of Dementia in Europe 2025" report, which provides updated prevalence figures for the number of people living with dementia both for Europe as a whole, as well as the countries within.

28 Jan 2026

A shingles vaccine may delay dementia onset

Research indicates the herpes zoster vaccine may reduce dementia rates by 2%, highlighting its potential role in promoting brain health in aging populations.

28 Jan 2026

Overactive protein cleanup disrupts nuclear pores in neurodegenerative disease

When it comes to neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS) and certain forms of dementia, researchers have known that protein quality control and damage to the nuclear pore are key players.

27 Jan 2026

CTE should be recognized as new cause of dementia, study suggests

The largest study of its kind from the Boston University CTE Center reveals that chronic traumatic encephalopathy (CTE) should be recognized as a new cause of dementia.

27 Jan 2026

New insights into how the brain accesses information

A new study into how different parts of memory work in the brain has shown that the same brain areas are involved in retrieving different types of information, the findings could redefine how memory is understood and studied.

27 Jan 2026

KAIST proposes novel strategy for multifactorial Alzheimer's treatment

Conventional treatments of Alzheimer's disease, one of the most common forms of dementia, have been largely focused on targeting individual pathological features.

27 Jan 2026

New atlas of brain lysosomes sheds light on neurodegenerative disorders

Functioning brain cells need a functioning system for picking up the trash and sorting the recycling. But when the cellular sanitation machines responsible for those tasks, called lysosomes, break down or get overwhelmed, it can increase the risk of Alzheimer's, Parkinson's, and other neurological disorders.

27 Jan 2026

Menopause associated with reduced brain volume and increased anxiety symptoms

Menopause is linked to reductions in grey matter volume in key brain regions as well as increased levels of anxiety and depression and difficulties with sleep, according to new research from the University of Cambridge.

27 Jan 2026

Reducing sodium in common foods could prevent heart disease and stroke

Lowering sodium in packaged and prepared foods could significantly improve cardiovascular health and prevent many cases of heart disease, stroke and deaths in the general population in France and the U.K., according to two new research studies published today in Hypertension, an American Heart Association journal.

26 Jan 2026

Evidence links gut microbiome changes to Alzheimer’s progression

Human studies consistently report gut microbiome differences in mild cognitive impairment and Alzheimer’s disease, but findings vary widely by cohort, methods, and taxa. Heterogeneity and limited longitudinal data prevent causal inference, highlighting the need for functional profiling and well-designed intervention trials.

25 Jan 2026

Experimental study reveals advanced episodic memory replay in rats

In a new study Indiana University researchers observed episodic memory in rats to a degree never documented before, suggesting that rats can serve as a model for complex cognitive processes often considered exclusively human.

24 Jan 2026

Genetic study establishes causal link between obesity and cognitive decline

People with obesity and high blood pressure may face a higher risk of dementia, according to a new study published in The Journal of Clinical Endocrinology & Metabolism.

23 Jan 2026

Ageing slows brain protein clearance and shifts synaptic waste to microglia

Ageing slows neuronal protein degradation in mice, leading to widespread accumulation and aggregation of long-lived proteins, particularly at synapses. As neuronal clearance declines, microglia selectively accumulate synaptic proteins, suggesting a compensatory but potentially strained proteostasis pathway in the ageing brain.

22 Jan 2026