Exercise and fitness has been shown to increase mental alertness and personal happiness as well as physical fitness. The value of exercise for seniors goes well beyond merely a focus on physical health, just as it does for everyone else. Exercise keeps you strong and nimble and helps you avoid falls. It is also shown to have numerous other benefits including maintaining mental acuity, beneficial in fighting viruses as well as boredom and depression, and of course, it maintains or improves self-confidence and personal happiness.