Which of the following is a risk factor for colorectal cancer based on family history?

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Multiple Choice

Which of the following is a risk factor for colorectal cancer based on family history?

A family history of colorectal cancer is a hereditary risk factor that meaningfully increases a person’s likelihood of developing the disease. Genetics play a key role in colorectal carcinogenesis, and having a first-degree relative with CRC (especially if diagnosed before 60 or if multiple relatives are affected) substantially raises risk— often prompting earlier and more frequent screening than the average-risk population. Regular physical activity, in contrast, lowers risk rather than increases it, so it isn’t a risk factor based on family history. A low-fiber diet is a modifiable lifestyle factor that can influence risk through diet, not heredity. Celiac disease isn’t a classic inherited risk factor for colorectal cancer in the way a family history is, though chronic intestinal inflammation from various causes can affect risk in some individuals. Thus, the familial connection stands out as the risk factor linked to family history, guiding clinicians to consider earlier screening and heightened surveillance for patients with this background.

A family history of colorectal cancer is a hereditary risk factor that meaningfully increases a person’s likelihood of developing the disease. Genetics play a key role in colorectal carcinogenesis, and having a first-degree relative with CRC (especially if diagnosed before 60 or if multiple relatives are affected) substantially raises risk— often prompting earlier and more frequent screening than the average-risk population.

Regular physical activity, in contrast, lowers risk rather than increases it, so it isn’t a risk factor based on family history. A low-fiber diet is a modifiable lifestyle factor that can influence risk through diet, not heredity. Celiac disease isn’t a classic inherited risk factor for colorectal cancer in the way a family history is, though chronic intestinal inflammation from various causes can affect risk in some individuals.

Thus, the familial connection stands out as the risk factor linked to family history, guiding clinicians to consider earlier screening and heightened surveillance for patients with this background.

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