A diet rich in foods with a high glycemic index may contribute to the development of age-related macular degeneration (AMD) - the leading cause of blindness in people older than 50. The findings come from the from the US Nurses' Health Study. 1,036 eyes from 526 women in the Boston-area were tested
The carotenoid zeaxanthin accumulates in the human macula lutea and protects retinal cells from blue light damage. However, zeaxanthin intake from food sources is low. Increasing zeaxanthin in common foods such as potatoes by traditional plant breeding or by genetic engineering could contribute to