VEGETARIANS LESS LIKELY TO GET CATARACTS

June 23, 2014
A basket filled with vegetables is sitting on a wooden table.

About 2.5 million Canadians have cataracts (a clouding of the lens of the eye) and this number is expected to double in the next 15-20 years. According to a new study* done by the University of Oxford in England, researchers found that vegetarians and vegans are 30% to 40% less likely to develop cataracts than people who eat a lot of meat. Researchers studied data on more than 27,000 people, all over age 40. The study’s participants filled out dietary surveys between 1993 and 1999. By 2009, approximately 1,500 had developed cataracts. The participants were divided into groups according to the amount of meat they ate each day:

  • Highest meat consumption: 100 grams or more
  • Mid-range: 48 to 99 grams
  • Low-range: less than 48 grams
  • Fish eaters: those who ate fish but not meat
  • Vegetarians: those who didn’t eat meat or fish but did eat dairy products and/or eggs
  • Vegans: those who didn’t eat meat, fish, dairy products or eggs

Compared with those who ate the most meat, the risks for developing cataracts were lower for all other groups. Mid-range meat eaters had a decreased cataract risk of 4%, low-range 15%, fish eaters 21%, vegetarians 30% and vegans 40%. Researchers found that the progressive decrease in cataract risk was seen for both men and women.

Other risks for cataract development include smoking, diabetes and exposure to bright light.

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