Cognitive Reflection Test (CRT) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which risk factor is NOT associated with Parkinson’s disease?

Exposure to industrial chemicals

Age over 40 years

Genetic predisposition

Bacterial infections

Bacterial infections are not typically identified as a risk factor for Parkinson's disease. The primary risk factors involve aspects linked to the environment, genetics, and aging.

Exposure to industrial chemicals has been associated with an increased risk of developing Parkinson's disease, as certain toxins can negatively affect neuronal health. Age is a significant risk factor; Parkinson’s disease is more common in older adults, particularly those over 60. Genetic predisposition also plays a crucial role, as certain genetic mutations can increase the likelihood of the disease manifesting.

On the other hand, while infections can impact overall neurological health, bacterial infections specifically have not been shown to have a direct connection to the onset or progression of Parkinson's disease. Hence, this choice is the one that stands apart from the established risk factors.

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