Experimental laboratory research has an important role to play in dementia prevention. Mechanisms underlying modifiable risk factors for dementia are promising targets for dementia prevention but are difficult to investigate in human populations due to technological constraints and confounds. Therefore, controlled laboratory experiments in models such as transgenic rodents, invertebrates and in vitro cultured cells are increasingly used to investigate dementia risk factors and test strategies which target them to prevent dementia. This review provides an overview of experimental research into 15 established and putative modifiable dementia risk factors: less early-life education, hearing loss, depression, social isolation, life stress, hypertension, obesity, diabetes, physical inactivity, heavy alcohol use, smoking, air pollution, anesthetic exposure, traumatic brain injury, and disordered sleep. It explores how experimental models have been, and can be, used to address questions about modifiable dementia risk and prevention that cannot readily be addressed in human studies.

Modifiable dementia risk factors are promising targets for dementia prevention.
Interrogation of mechanisms underlying dementia risk is difficult in human populations.
Studies using diverse experimental models are revealing modifiable dementia risk mechanisms.
We review experimental research into 15 modifiable dementia risk factors.
Laboratory science can contribute uniquely to dementia prevention.

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This post is Copyright: Duncan Sinclair,
Alison J. Canty,
Jenna M. Ziebell,
Adele Woodhouse,
Jessica M. Collins,
Sharn Perry,
Eddy Roccati,
Maneesh Kuruvilla,
Jacqueline Leung,
Rachel Atkinson,
James C. Vickers,
Anthony L. Cook,
Anna E. King | April 30, 2024

Wiley: Alzheimer’s & Dementia: Table of Contents