Identify the key points of a article about the importance of nutrition for health.
Numerous studies have shown that having a healthy diet is essential for an individual's physical and mental well-being. Eating nutrient-rich foods helps support the body's growth, development, and overall functioning.
1. Healthy diet is essential for physical and mental well-being.
2. Nutrient-rich food supports body's growth, development, and functioning.
3. Numerous studies have confirmed the importance of nutrition for health.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the key points of a article about the importance of nutrition for health.

### Input:
Numerous studies have shown that having a healthy diet is essential for an individual's physical and mental well-being. Eating nutrient-rich foods helps support the body's growth, development, and overall functioning.

### Output:
1. Healthy diet is essential for physical and mental well-being.
2. Nutrient-rich food supports body's growth, development, and functioning.
3. Numerous studies have confirmed the importance of nutrition for health.