The significance of omega-3 fatty acids in a diet lies in their numerous health benefits, including reducing inflammation, lowering the risk of heart disease, and supporting brain health. These essential fats are primarily found in fatty fish (like salmon), flaxseeds, and walnuts. Omega-3s can help improve lipid profiles, regulate blood pressure, and enhance cognitive function. Regular consumption is associated with various positive health outcomes, including better mental health and potentially lower risks of chronic diseases.