Each Accurately Describes Aspects and Treatment of Alzheimer Disease,except One

Each accurately describes aspects and treatment of Alzheimer disease,except one.Which is the exception?

A) Alzheimer disease is the most common type of dementia.
B) Known risk factors include age, family history, head trauma, and genetic disposition.
C) Although a specific cause has not been determined, aluminum is considered a primary causative agent.
D) Vitamin E supplementation is sometimes prescribed because it is an antioxidant.