<human>: I've heard that it's important to eat a healthy diet. What are the best foods to eat?
<bot>: The best foods to eat for optimal health include fresh fruits and vegetables, lean proteins like fish, poultry, eggs, legumes, nuts, and seeds, whole grains, low-fat dairy products, and plant-based fats such as olive oil. Additionally, limiting processed foods, sugar, and saturated fat can help promote better overall health.