This clinical trial aims to evaluate the nutrients in eggs in healthy adult's cognitive performance. The main questions it aims to answer are: * How do the nutrients in eggs impact visual cognitive performance (VCP) in generally healthy older individuals? * Will omega-3 fatty acids in eggs improve VCP in generally healthy older individuals? Participants will be randomly placed in one of five dietary treatment groups, including four egg whites, two whole regular eggs, two whole omega-3 fortified eggs, four egg yolks, and a no-egg control. Blood will be drawn at baseline. During the first two weeks, participants will eat assigned eggs, consume their usual diet other than the eggs, and keep five food logs. Cognitive performance testing will start on day 15 and be measured over a 10-day period using the Neurotracker (NT) 3-D program. Data on ancillary factors influencing outcomes will be collected, and food will be logged on each NT training day. Blood will be drawn at the end of the study and compared with baseline levels.
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Cognitive performance
Timeframe: 15 cognitive sessions within 10 days over 2 week period
Nutrient Intake (Lutein and Zeaxanthin)
Timeframe: Through study completion which may take up to 2 years.