The Women’s Health Study, which included almost 40,000 female health professionals, with an average age of 55, conducted over a 10 year period, found those who ate fish, like canned tuna, salmon and sardines, once per week had about 40% lower risk of developing age-related macular degeneration (AMD) than those who did not.
http://www.pr-inside.com/go-fishing-for-health-r2755770.htm
http://www.pr-inside.com/go-fishing-for-health-r2755770.htm