Final answer:
Obesity is a key factor contributing to hypertension due to increased cardiac workload and blood volume.
Explanation:
One possible reason people make unhealthy lifestyle choices leading to hypertension is obesity. Being overweight increases the total blood volume, cardiac workload, and output, placing strain on the heart and raising blood pressure. This, combined with factors like excessive sodium intake and insufficient potassium, contributes to the development of hypertension.
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