Dementia - Symptoms and causes - Mayo Clinic
WebFeb 13, 2024 · Dementia is a term used to describe a group of symptoms affecting memory, thinking and social abilities. In people who have dementia, the symptoms interfere with their daily lives. Dementia isn't one specific disease. Several diseases can cause dementia. Dementia generally involves memory loss.
Dementia: Symptoms, Types, Causes, Treatment & Risk Factors
WebMar 12, 2022 · Dementia develops when the parts of your brain involved with learning, memory, decision-making or language are affected by infections or diseases. The most common cause of dementia is Alzheimer’s disease. But other known causes of dementia include: Vascular dementia. Dementia with Lewy bodies. Frontotemporal dementia. …
Alzheimer's disease - Symptoms and causes - Mayo Clinic
WebFeb 13, 2024 · Alzheimer's disease is the most common cause of dementia — a gradual decline in memory, thinking, behavior and social skills. These changes affect a person's ability to function. About 6.5 million people in the United States age 65 and older live with Alzheimer's disease.
What is Dementia? Symptoms, Causes & Treatment | alz.org
WebDiseases grouped under the general term "dementia" are caused by abnormal brain changes. Dementia symptoms trigger a decline in thinking skills, also known as cognitive abilities, severe enough to impair daily life and independent function. They also affect behavior, feelings and relationships. Alzheimer's disease accounts for 60-80% of cases.
What Is Dementia? Symptoms, Types, and Diagnosis
WebWhat causes dementia? What are the different types of dementia? How is dementia diagnosed? Who can diagnose dementia? Dementia is the loss of cognitive functioning — thinking, remembering, and reasoning — to such an extent that it interferes with a person's daily life and activities.
Dementia: Stages, Causes, Symptoms, and Treatments - WebMD
WebApr 15, 2024 · Alzheimer's disease (AD) is the most common cause of dementia. About 70%-80% of people with dementia have AD. But there are as many as 50 other causes of dementia. Dementia symptoms may...
Dementia - World Health Organization (WHO)
WebMar 15, 2023 · Key facts. Currently more than 55 million people have dementia worldwide, over 60% of whom live in low-and middle-income countries. Every year, there are nearly 10 million new cases. Dementia results from a variety of …
What Is Dementia: Symptoms, Types, Diagnosis, and More - Healthline
WebJun 29, 2023 · Dementia may be caused by a variety of illnesses or injuries. Mental impairment may range from mild to severe. It may also cause personality changes. Some types of dementia are progressive....
What Is Dementia? | CDC - Centers for Disease Control and Prevention
WebAge. The strongest known risk factor for dementia is increasing age, with most cases affecting those of 65 years and older. Family history. Those who have parents or siblings with dementia are more likely to develop dementia themselves. Race/ethnicity. Older African Americans are twice more likely to have dementia than whites.
Alzheimer's Disease Fact Sheet | National Institute on Aging
WebThe causes of dementia can vary depending on the types of brain changes that may be taking place. Other forms of dementia include Lewy body dementia, frontotemporal disorders, and vascular dementia. It is common for people to have mixed dementia — a combination of two or more types of dementia.
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