Why the study?
Does high intake of retinol and carotenoids reduce the risk of prostate cancer in men below age 75?
Population
2,745 men below age 75 years, including 1,294 incident, histologically confirmed prostate cancer cases and…
Comparison
High intake of retinol and various carotenoids… vs Lowest quintile of intake
Design
Case-control
Authors
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Observed association with carotene intake warrants no practice change; leaves open whether carotenoids reduce prostate cancer risk.
Does high intake of retinol and carotenoids reduce the risk of prostate cancer in men below age 75?
Higher intake of carotene, particularly beta-carotene, is associated with a weakly reduced risk of prostate cancer, whereas lycopene and retinol show no appreciable relationship.
Bosetti et al. (2004) studied this question.
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