Will arteriosclerosis cause memory loss?

Yes: If the arteries to the brain are effected, it can cause memory loss.

Yes: Arteriosclerosis will result in reduced blood flow and in the brain can cause memory loss. Keeping BP at target and cholesterol and blood sugar at goal is vitally important.

End organ effect: If brain receives inadequate blood flow, this can cause a stroke, and if multiple small strokes occur, this creates a "lacunar state", which can surely result in a vascular dementia. Even worse, the causes of atherosclerosis, such as hypertension and diabetes are risk factors for alzheimer's. So, "ounce of prevention?".