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# Many Common Alzheimer's Risk Factors Are Controllable

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<!-- video src="https://cdn.jwplayer.com/manifests/qSTXqY5f.m3u8" -->
## Video: Many Common Alzheimer's Risk Factors Are Controllable

[Watch (HLS stream): Many Common Alzheimer's Risk Factors Are Controllable](https://cdn.jwplayer.com/manifests/qSTXqY5f.m3u8) (1:08)

![Many Common Alzheimer's Risk Factors Are Controllable](https://cdn.jwplayer.com/v2/media/qSTXqY5f/poster.jpg?width=720)

_Published 2015-08-21. A meta-study of hundreds of research papers shows as many as two-thirds of Alzheimer’s cases share common risk factors._


---

Jul 27, 2023 6:42 PM UTC

---

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### Alzheimer's Researcher Rudolph Tanzi on Why he's Optimistic

[Seth Rogan on Alzheimer's](/video/H6BdSId2/)

### Seth Rogan on Alzheimer's

---


## Transcript

Researchers have identified nine risk factors associated with as many as two thirds of all cases of Alzheimer's disease. These include obesity, carotid artery narrowing, low educational attainment, depression, high blood pressure, frailty, smoking habits high levels of certain naturally occurring amino acids and type two diabetes in the Asian population. Researchers determine these risk factors after analyzing existing results from more than three hundred studies. The direct causes of Alzheimer's are still not fully understood and the researchers emphasize what is seen here as an association rather than a direct cause- and- effect relationship between any one factor and Alzheimer's risk.

But they say catching and addressing any of these warning signs early may decrease new incidences of Alzheimer's disease. There is no cure for Alzheimer's which accounts for 60 to 70 % of all dementia cases according to the World Health Organization But in their analysis the researchers did identify factors that could help reduce the risk of the disease including estrogen treatments, certain high blood pressure medications, and coffee.

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