Researchers from the University of Illinois at Urbana - Champagne found that people with high levels of lutein in their blood had thicker gray matter in the parahippocampal cortex, the part of the brain that plays a role in memory encoding and retrieval. (sonima.com)
Spinach is another great veg and contains lutein which helps protect against age related deterioration of vision. (greenplanet.com)
While not as concentrated in lutein as collard greens or spinach, beet greens have nevertheless been shown to be an outstanding source of this key carotenoid. (whfoods.org)