The older we get, the more important it is to stay healthy. It’s widely agreed that the keys to good health are moderately vigorous exercise, good nutrition, regular preventive screenings, a supportive social network, mental challenges, good sleep habits, and other factors at least partially under our control — like having a positive, optimistic outlook on life.
This is mostly true for everyone. Having family around can be helpful or unhelpful. For the most part, staying healthy is a challenge for everyone individually. Since there is seemingly endless information available on the web, some primarily for old people, the topics below are treated briefly.