Dementia - Symptoms and causes - Mayo Clinic
WEBMixed dementia. Autopsy studies of the brains of people age 80 and older who had dementia indicate that many had a combination of several causes. People with mixed dementia can have Alzheimer's disease, vascular dementia and Lewy body dementia. Studies are ongoing to determine how having mixed …
Alzheimer's disease - Symptoms and causes - Mayo Clinic
WEBJul 10, 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.
Dementia - Diagnosis and treatment - Mayo Clinic
WEBProviding care for someone with dementia is physically and emotionally demanding. You might feel angry, guilty, frustrated or worried. Grief and social isolation are common. If you're a caregiver or care partner for someone with dementia: Learn about the disease and participate in caregiver education programs.
Alzheimer's disease - Diagnosis and treatment - Mayo Clinic
WEBJul 10, 2024 · Blood and imaging tests can rule out other potential causes of the symptoms. Or they may help your health care professional better identify the disease causing dementia symptoms. In the past, Alzheimer's disease was diagnosed for certain only after death when looking at the brain with a microscope revealed plaques and tangles.
Alzheimer's and dementia: What's the difference? - Mayo Clinic
WEBMar 13, 2024 · While dementia is a general term, Alzheimer's disease is a specific brain disease. It is marked by symptoms of dementia that gradually get worse over time. Alzheimer's disease first affects the part of the brain associated with learning, so early symptoms often include changes in memory, thinking and reasoning skills.
Lewy body dementia - Symptoms and causes - Mayo Clinic
WEBJun 2, 2023 · Lewy body dementia is the second most common type of dementia after Alzheimer's disease. Protein deposits called Lewy bodies develop in nerve cells in the brain. The protein deposits affect brain regions involved in thinking, memory and movement. This condition is also known as dementia with Lewy bodies.
Young-onset Alzheimer's: When symptoms begin before age 65
WEBApr 10, 2024 · Young-onset Alzheimer's disease is an uncommon form of dementia that affects people younger than age 65. The condition also is called early-onset Alzheimer's disease. Most people with Alzheimer's are age 65 and older. About 1 in 9 people age 65 and older in the United States has Alzheimer's disease.
Frontotemporal dementia - Symptoms and causes - Mayo Clinic
WEBNov 28, 2023 · Frontotemporal dementia can be misdiagnosed as a mental health condition or as Alzheimer's disease. But FTD tends to occur at a younger age than does Alzheimer's disease. It often begins between the ages of 40 and 65, although it can occur later in life as well. FTD is the cause of dementia about 10% to 20% of the time.
Alzheimer's stages: How the disease progresses - Mayo Clinic
WEBJun 7, 2023 · Severe dementia due to Alzheimer's disease. Dementia is a term used to describe a group of symptoms that affect intellectual and social abilities enough to interfere with daily function. The five Alzheimer's stages …
Creutzfeldt-Jakob disease - Symptoms & causes - Mayo Clinic
WEBJan 28, 2023 · Creutzfeldt-Jakob (KROITS-felt YAH-kobe) disease, also known as CJD, is a rare brain disorder that leads to dementia. It belongs to a group of human and animal diseases known as prion disorders. Symptoms of Creutzfeldt-Jakob disease can be similar to those of Alzheimer's disease.