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W. Rex Hawkins, MD

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The Age-Related Eye Disease Study Research Group¹ found that dietary lutein/zeaxanthin intake was inversely associated with (1) neovascular age-related macular degeneration (AMD), (2) geographic atrophy, and (3) large or extensive intermediate drusen. The common denominator for the analysis, one can assume, was the greater number of daily vegetable servings for uninvolved control individuals, as determined by the food frequency dietary questionnaire, in comparison with a group of patients with AMD. The report did not mention that lutein/zeaxanthin could simply have been a marker for vegetable consumption and that the salutary effect might have come from some other nutrient that vegetables have in common. For instance, vegetables have high concentrations of potassium, magnesium, and calcium. They also have very low sodium and cholesterol contents. All of the above are important in maintaining normal blood vessel function and blood vessel integrity, including, it is reasonable to assume, in . . . [Full Text of this Article]

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