One very important thing for seniors is that they stay active. The worst thing an older person can do is just sit at home on the couch. The best way to stay young and keep health is stay active. Senior Citizens Staying Active has some good ideas about what a senior citizen can do to stay active. There are all kinds of organizations that need volunteers. Keeping active in activities such as walking or light exercise will also have the added benefit of keeping your body in shape as well as healthy. Those that stay active seem to live longer than those that just sit at home on the couch.