Which of the most common risk factor for cancer across all cancer types?

Question

BlackTom AI · Accepted Answer

Question restatement: The prompt asks, 'Which of the most common risk factor for cancer across all cancer types?' and the provided answer is 'Age'.

Observation about options: In this item, the answer_options field is null, so there are no alternative choices to compare. Because no multiple-choice options are listed, I cannot directly evaluate each distractor or explain why they are incorrect. Nevertheless, I can discuss the concept and why age is widely regarded as a major risk factor.

Reasoning about the concept (why age is a key risk factor):
- Biological accumulation: The DNA of cells accumulates errors over time due to various internal processes and external exposures. As people age, the likelihood of accumulating mutations that drive cancer increases, making cancer incidence rise with age.
- Time for tumor development: Many cancers require a long latency period between initial mutations and clinically detectable disease. Older individuals have had more time for such processes to unfold, increasing cancer risk.
- Diminished repair efficiency: Cellular DNA repair mechanisms can become less efficient with age, reducing the ability to correct genetic damage that could lead to cancer.
- Immune surveillance: Aging is associated with changes in immune system function, which may reduce the body's ability to detect and eliminate emerging cancer cells.

Limitations due to missing options: Since no alternative answer choices are provided, I cannot explain why incorrect options might be plausible or incorrect in this specific item. If additional options were available (for example, smoking, obesity, UV exposure, or hereditary factors), I could tailor explanations for why those are less universal risk factors across all cancer types compared to age, or why they may be strong risk factors for specific cancers but not across all cancers.

Bottom line (conceptual): Across many cancer types, advancing age is consistently one of the strongest, most universal risk factors due to the cumulative nature of genetic damage, longer exposure to mutagens, and age-related changes in cellular and immune function.

2025SpringA-X-BIO302-33718-33719 ✏️ Quiz 1

Which of the most common risk factor for cancer across all cancer types?

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