Eggs and Veggies Stop Macular Degeneration

Age-related macular degeneration is the leading cause of blindness in older people. Marked by deterioration of the macula, a small area in the center of the retina, it results in loss of central vision and inability to see fine details. Two of the most protective nutrients against macular degeneration are lutein and zeaxanthin, carotenoids concentrated in the macula. Studies have shown that people who eat a lot of lutein and zeaxanthin, rich leafy greens have a decreased risk of this disorder. Another good source of these carotenoids is egg yolks. To study the effects of eggs on the macula, researchers from the University of Massachusetts in Lowell divided female volunteers into three groups and gave them six eggs per week or placebo pills. After 12 weeks, they found that eating eggs increased density of the macular pigment and raised blood levels of zeaxanthin, but had no effect on cholesterol. The only change in the placebo group was an unexpected increase in cholesterol. The researchers commented that although eggs contain fewer protective carotenoids than spinach and other leafy greens, their bioavailability to the retina is high. To protect against macular degeneration, include one whole egg in your daily diet and don’t worry about your cholesterol.