Researchers have found that people who eat foods rich in omega-3 fatty acids have more bacterial diversity in the gut, which promotes better overall health. A gut with rich and diverse bacteria is key to keeping the immune system healthy and ready to fight. Since we cannot produce omega-3 fatty acids on our own, the best way to get them are from foods such as eggs, fish, and fruit juices. Other research shows the importance of omega-3's for heart and brain health.

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