
Dementia - Symptoms and causes - Mayo Clinic
Jun 7, 2025 · Dementia describes a group of symptoms affecting memory, thinking and social abilities. The symptoms interfere with a person's daily life. Dementia isn't one specific disease. Several …
Dementia: What It Is, Causes, Symptoms, Treatment & Types
Dec 5, 2025 · Dementia involves a decline in the mental abilities you need for daily living. It develops when there’s damage to the parts of your brain involved with learning, memory, decision-making and …
Dementia - Wikipedia
Dementia is a syndrome, often associated with neurodegenerative diseases such as Alzheimer's, and characterized by a general decline in cognitive processes that affects the ability to perform everyday …
What Is Dementia? Symptoms, Types, and Diagnosis
Dementia is a loss of thinking, remembering, and reasoning skills. It is not a normal part of aging. Read about the different types of dementia and how it is diagnosed.
What is Dementia? Symptoms, Causes & Treatment | alz.org
Dementia is a general term for loss of memory, language, problem-solving and other thinking abilities that are severe enough to interfere with daily life. Alzheimer's is the most common cause of dementia.
Dementia - World Health Organization (WHO)
Mar 31, 2025 · Dementia is a syndrome that can be caused by a number of diseases which over time destroy nerve cells and damage the brain, typically leading to deterioration in cognitive function (i.e. …
Dementia: Stages, Causes, Symptoms, and Treatments - WebMD
Jul 3, 2024 · Dementia is a neuro-cognitive disorder that can be loosely explained as a loss of thinking ability and logical reasoning. This guide explains different forms of dementia.
About Dementia | Alzheimer's Disease and Dementia | CDC
Aug 17, 2024 · Dementia is a condition that makes someone unable to remember, think clearly, or make decisions while doing everyday activities. Alzheimer’s disease is the most common type of dementia. …
What Is Dementia? - Alzheimers.gov
Jan 21, 2026 · Dementia is the result of changes in certain brain regions that cause neurons (nerve cells) and their connections to stop working properly. Researchers have connected changes in the …
What is dementia? | Alzheimer's Society
The word 'dementia' describes a set of symptoms that over time can affect memory, problem-solving, language and behaviour. Alzheimer's disease is the most common type of dementia.