Final answer:
Increased physical activity has numerous health benefits including improved cardiovascular fitness, reduced disease risk, and weight loss assistance.
Step-by-step explanation:
An increase in physical activity has been found to be related to numerous health benefits. Physical activity not only reduces disease risk but also improves cardiovascular and muscular fitness, bone density and strength, cognitive function, and assists in weight loss and weight maintenance. Furthermore, physical exercise has been shown to have positive impacts on the immune system, reducing the risk of upper respiratory tract infections, as well as reducing death rates from cancer, type 2 diabetes, and obesity.