Why so much concern about the elderly population?

The book covers some of the main issues that affect the health of the elderly, such as chronic (cardiovascular and its complications) and communicable diseases, and the use of medication in this specific population. As well as describing natural morphological changes and possible interventions to maintain quality of life, such as strength training, which helps to maintain muscle mass, strengthen tendons and ligaments, and physical activity, which is very important to help with adequate sleep and other factors.