Jun 7, 2025 · Alzheimer's disease is the most common cause of dementia in older adults, but there are other causes. Depending on the cause, some dementia symptoms might be reversible.

Dec 5, 2025 · There are three types. They differ based on the cause: Primary: A brain disease is the main cause of dementia. There aren’t any other causes. Examples include: Alzheimer’s …

Diseases 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, …

Jul 9, 2025 · Several risk factors may greatly increase your risk of dementia, including stroke, head injuries, genetics, and infections like HIV, Lyme disease, and syphilis.

Oct 1, 2025 · Causes of dementia can include ageing, lifestyle factors, genetics, and health conditions. Read more.

Jun 11, 2025 · The most common causes or types of dementia include Alzheimer’s disease, vascular dementia, Lewy body dementia, frontotemporal dementia, and mixed dementia. Here …

Alzheimer’s disease, a brain disease that causes abnormal changes that kill brain cells. Blockages in blood vessels in the brain that limit blood flow to parts of the brain or trigger mini …

Apr 29, 2025 · Dementia develops over time as brain cells die, although scientists can’t point to one single cause for this. Many factors appear to be at work. In Alzheimer’s disease, the most …

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 brain …

Jun 24, 2025 · Different causes and types of dementia In addition to Alzheimer’s disease, there are many causes of irreversible dementia, including: Vascular disease such as stroke. This is …