Q124) A 50 year old man comes for regular health checkup. His family history is significant for colon cancer in his grandfather at the age of 70 and prostate cancer in his father at age 75. His mother had breast cancer at age 65. The patient recently underwent colonoscopy which was normal. During his visit, he asks you if there are any pills or medications that he could use to prevent cancer. Which of the following have been shown to prevent cancer in a prospective clinical trial?
A) Vitamin D
B) Selenium
C) Beta Carotene
D) Finasteride
E) Vitamin B-complex
D
A
c?
D.
B. Selenium
Observational studies indicate that death from cancer, including lung, colorectal, and prostate cancers, is lower among people with higher blood levels or intake of selenium.