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.

Coconut Oil and Dementia

What is Mixed Dementia?

Antidepressants and Dementia: Is There a Link?

Transcutaneous Electrical Nerve Stimulation for Dementia

Bright Light Therapy and Dementia

Childhood Dementia Causes

Does Depression and Anxiety Increase the Risk of Dementia?

Aromatherapy for Dementia

Migraines and Dementia

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

What is Dementia?

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Dementia Symptoms

Dementia Treatment

Dementia with Lewy Bodies

Dementia Prevention

Mixed Dementia Symptoms and Diagnosis

Mixed Dementia Prevention and Treatment

Childhood Dementia Signs and Symptoms

Dementia Diagnosis

Differences Between Alzheimer's and Dementia

Latest Dementia News and Research

Misdiagnosed Parkinson's patient regains life after NPH treatment

At age 66, Richard "Dick" Nash first suspected something might be wrong when he participated in a Dallas walk for juvenile diabetes in honor of his granddaughter.

26 Feb 2026

Antibiotics alter gut bacteria to aid brain healing

What if healing the brain after traumatic injury starts in the gut?

26 Feb 2026

Imaging technique can objectively identify a recently recognized type of dementia, LATE

A novel quantitative PET- and MRI-based imaging approach can objectively identify a recently recognized type of dementia--limbic-predominant age-related TDP-43 encephalopathy, or LATE--that is often mistaken as Alzheimer's disease.

26 Feb 2026

New Mandarin cognitive tests improve dementia diagnosis for Chinese older adults

Asian Americans are the fastest-growing group of older adults in the U.S., but they often face language and cultural barriers when seeking care for dementia-related symptoms.

26 Feb 2026

Reducing miRNA levels helps rescue vascular defects in Rett syndrome

MIT researchers have discovered that two common genetic mutations that cause Rett syndrome each set off a molecular chain of events that compromises the structural integrity of developing brain blood vessels, making them leaky.

25 Feb 2026

Study finds brain changes related to worse memory in football players with repetitive head impacts

In former college and professional football players, a new study has found higher levels of inflammation were associated with worse brain structure, which in turn was related to worse memory.

25 Feb 2026

Superagers show greater neuron growth linked to strong memory

Brains of older adults with super healthy cognition grow more new neurons than those of their peers, according to a study from UIC, Northwestern University and the University of Washington.

25 Feb 2026

Nearly 6 in 10 women in the U.S. may have cardiovascular disease in the next 25 years

Driven by rising rates in high blood pressure, nearly 6 in 10 women in the U.S. will have some type of cardiovascular disease (CVD) in the next 25 years, according to a new scientific statement published today in Circulation, the peer-reviewed, flagship journal of the American Heart Association, a global force changing the future of health for all.

25 Feb 2026

Untreated sleep apnea may cost the UK and US billions annually

Untreated obstructive sleep apnea may be costing the UK and US economies billions of pounds/dollars in lost productivity every year, with a considerable proportion of working age adults experiencing symptoms indicative of the breathing disorder, suggests an analysis published online in the journal Thorax.

24 Feb 2026

Study finds microplastics in most prostate tumors

Small fragments of plastic were found in nine out of 10 patients with prostate cancer, and in higher levels inside tumors than in nearby noncancerous tissue, a new study finds.

23 Feb 2026

Study captures real-time protein clumping linked to Alzheimer’s

An Oregon State University scientist and a team of undergraduate students have uncovered real-time insights into a chemical process linked with Alzheimer's disease, paving the way toward better drug designs.

23 Feb 2026

Study connects vascular health to early Alzheimer’s brain changes

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer's disease risk, according to new research from the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC.

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

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