What is Alzheimer's Disease? | CDC
www.cdc.gov › aging › aginginfoWhat is Alzheimer’s Disease? Alzheimer’s disease is the most common type of dementia. It is a progressive disease beginning with mild memory loss and possibly leading to loss of the ability to carry on a conversation and respond to the environment. Alzheimer’s disease involves parts of the brain that control thought, memory, and language.
Alzheimer's stages: How the disease progresses - Mayo Clinic
www.mayoclinic.org › diseases-conditions › alzheimerApr 29, 2021 · Eventually, Alzheimer's disease affects most areas of your brain. Memory, thinking, judgment, language, problem-solving, personality and movement can all be affected by the disease. There are five stages associated with Alzheimer's disease: preclinical Alzheimer's disease, mild cognitive impairment due to Alzheimer's disease, mild dementia due to Alzheimer's disease, moderate dementia due to Alzheimer's disease and severe dementia due to Alzheimer's disease.
What Is Vascular Dementia? - Alzheimer’s
www.alzheimers.gov › alzheimers-dementias › vascularVascular dementia is caused by conditions that damage blood vessels in the brain and interrupt the flow of blood and oxygen to the brain. In the research community, these conditions are known as vascular contributions to cognitive impairment and dementia (VCID). The brains of people with vascular dementia often show evidence of prior strokes, thickening blood vessel walls, and thinning white matter — the brain’s connecting “wires” that relay messages between regions.