Nutrition
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Randomized Controlled Trial Clinical Trial
Lutein, but not alpha-tocopherol, supplementation improves visual function in patients with age-related cataracts: a 2-y double-blind, placebo-controlled pilot study.
We investigated the effect of long-term antioxidant supplementation (lutein and alpha-tocopherol) on serum levels and visual performance in patients with cataracts. ⋯ Visual function in patients with age-related cataracts who received the lutein supplements improved, suggesting that a higher intake of lutein, through lutein-rich fruit and vegetables or supplements, may have beneficial effects on the visual performance of people with age-related cataracts.
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The Argentinean food pattern, rich in beef and fats and poor in fibers, may be related to an risk of increased colorectal cancer (CRC). To examine the relation between CRC risk and meat type, we carried out a case-control study in Córdoba, Argentina. ⋯ Red meat produced a different pattern of risk according to its fat content. Further studies should assess the possible role of cooking meat and other non-nutritional components.