Which statement about Alzheimer's disease is inaccurate?

Alzheimer's disease is a complex and multifaceted condition that is not solely caused by age. While increasing age is a significant risk factor for developing Alzheimer's, it is not the only contributing factor. The onset and progression of the disease also involve genetic, environmental, and lifestyle influences. This unique interplay means that individuals may develop Alzheimer's at varying ages, and that many older adults do not develop the disease despite advancing in age.

The other statements, while potentially misleading in nuances, touch upon aspects of Alzheimer's disease. For example, while it's true that some may consider certain early signs of Alzheimer's as a part of "normal aging," this isn't entirely correct, as Alzheimer's disease represents a distinct medical condition with specific pathological characteristics that differ from typical age-related cognitive decline. Common symptoms, including paranoia, may occur as the disease progresses, indicating cognitive impairment and behavioral changes. Lastly, symptoms not only manifest at the onset of the disease; they often develop gradually over time, sometimes becoming more pronounced as the disease progresses.

Thus, saying that age is the sole cause of Alzheimer's disease is inaccurate, as it oversimplifies the complexities associated with its development and overlooks other crucial factors.