Can you tell me how physical fitness can affect all aspects of your life?

It helps!: Physical fitness is one of the best things you can do to improve your health, both physical and mental. There are reams of data showing that general cardiovascular and musculoskeletal fitness help all realms of physical and mental functioning: mood, ability to think clearly, memory, weight control, blood glucose control, cardiovascular fitness, long-term bone density and risk of falls.