1. Intake of high-quality proteins (I.e. dairy protein) and weight-bearing exercise are crucial to preserve muscle mass and function, and quality of life in older adults and in chronic diseases.

4. Maintenance of muscle mass is important before and when you get sick.

2. Presence of muscle strength and function helps reduce time needed for recovery from illness.

5. Essential amino acids (building blocks of dietary protein) are required for muscle maintenance and growth.

3. Dietary proteins and amino acids can improve muscle weakness, memory, and mood problems in older adults.

6. Cognitive and mood problems in older adults are partly related to disturbances in amino acid metabolism.