A nurse is screening a client for cancer risk factors. The nurse records that the client is a 65-year-old male, clinically obese with a BMI of 31. has a history of past smoking, and drinks moderately. Which of the following is a primary risk factor for prostate cancer?

Rationale: A. While smoking is a well-established risk factor for many cancers, including lung, bladder, and oral cancers, research shows it is not a primary risk factor for prostate cancer. Smoking may influence cancer progression or overall health, but it does not significantly increase the likelihood of developing prostate cancer itself. B. Age is the strongest and most well-established risk factor for prostate cancer. The incidence of prostate cancer rises sharply after age 50, and most diagnoses occur in men over 65. Aging increases the likelihood of DNA mutations in prostate cells, hormonal changes, and other physiological factors that contribute to cancer development. Therefore, the client’s age of 65 places him at high risk. C. Moderate alcohol consumption has not been shown to significantly increase prostate cancer risk. Excessive alcohol use may contribute to certain cancers, like liver or esophageal cancer, but moderate intake is not considered a primary risk factor for prostate cancer. D. Being male is necessary to develop prostate cancer because only men have a prostate. However, male sex alone is not considered a modifiable or primary risk factor in the same way that age, family history, or race influences risk. Age remains the key determinant for prostate cancer risk.