<human>: What are some of the most important things to know about a healthy diet?
<bot>: 
1. A healthy diet is one that is rich in fruits and vegetables, whole grains, lean proteins, and healthy fats.
2. It's also important to include a variety of foods from each food group throughout the day.
3. Additionally, it's essential to limit processed foods and added sugars as much as possible.
4. Finally, drinking plenty of water is key for overall health.