I have a particular interest in preventing age-related macular degeneration (ARMD) since it runs in my family. It’s the leading cause of vision loss in adults over 50.
Question What were the long-term findings of Age-Related Eye Disease Study 2 (AREDS2) supplements regarding development of lung cancer or progression to late age-related macular degeneration (AMD)?
Findings In this epidemiologic follow-up study of the AREDS2 cohort of 3882 participants and 6351 eyes, 10-year follow-up results showed that development of lung cancer nearly doubled in participants assigned to beta carotene among former smokers but not those assigned to lutein/zeaxanthin. Lutein/zeaxanthin was associated with a reduction in the risk of progression to late AMD when compared with beta carotene.
Meaning These findings suggest that the AREDS2 supplement with lutein/zeaxanthin instead of beta carotene was safe, with no association with developing lung cancer and a potential beneficial association with further reduction in progression to late AMD.
Steve Parker, M.D.
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