What is the major lifestyle risk factor for renal cell carcinoma?

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Prepare for the Urology and Nephrology Test with focused study materials. Utilize flashcards and multiple-choice questions featuring hints and explanations. Ensure your readiness for the examination.

Multiple Choice

What is the major lifestyle risk factor for renal cell carcinoma?

Explanation:
Smoking stands out as the strongest modifiable lifestyle factor linked to renal cell carcinoma. Cigarette smoke contains carcinogens that reach the kidney via the bloodstream and cause DNA damage in renal tubular cells, promoting malignant transformation. Epidemiologically, current and former smokers have a noticeably higher risk of RCC than never-smokers, and risk grows with longer history and greater total exposure. Obesity also increases RCC risk through metabolic and inflammatory pathways, but among lifestyle factors the link to smoking is the most robust. Alcohol does not show a clear, consistent positive association with RCC and is not considered a major lifestyle risk factor. So, the major lifestyle risk factor is smoking.

Smoking stands out as the strongest modifiable lifestyle factor linked to renal cell carcinoma. Cigarette smoke contains carcinogens that reach the kidney via the bloodstream and cause DNA damage in renal tubular cells, promoting malignant transformation. Epidemiologically, current and former smokers have a noticeably higher risk of RCC than never-smokers, and risk grows with longer history and greater total exposure. Obesity also increases RCC risk through metabolic and inflammatory pathways, but among lifestyle factors the link to smoking is the most robust. Alcohol does not show a clear, consistent positive association with RCC and is not considered a major lifestyle risk factor. So, the major lifestyle risk factor is smoking.

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