Alzheimer’s causes and risk factors
Scientists believe that a combination of genetic, lifestyle, and environmental factors influence when Alzheimer’s disease begins and how it progresses.
Related topics: Alzheimer’s and dementia, Alzheimer’s symptoms and diagnosis, Alzheimer’s treatment, Alzheimer’s caregiving
Thinking About Your Risk for Alzheimer’s Disease? Five Questions To Consider
![African-american family](../sites/default/files/styles/meta_150x150/public/2017-06/assessing-alzheimers-risk-meta2b19.jpg?itok=K1L6TYZs)
Alzheimer's Disease in People With Down Syndrome
![Middle aged adult with Down syndrome](../sites/default/files/styles/meta_150x150/public/2020-12/alzheimers-down-syndrome-meta1a60.jpg?itok=DUaP760U)
Video: How Alzheimer's Changes the Brain
![beta-amyloid plaques and tau in the brain](../sites/default/files/styles/meta_150x150/public/2017-08/plaques_tau_in_braind3f0.jpg?itok=NL7zhBK2)
What Causes Alzheimer's Disease?
![DNA strand](../sites/default/files/styles/meta_150x150/public/2019-12/what%20causes%20AD-meta1bfb.jpg?itok=f9z3nG7P)
What Happens to the Brain in Alzheimer's Disease?
![Synapse](../sites/default/files/styles/meta_150x150/public/2017-07/synapse-meta278e.jpg?itok=Ubvjjtpa)