What are the differences in health benefits between biking miles and running miles?

Biking and running both offer health benefits, but they target different muscle groups and have varying impacts on the body. Running is a weight-bearing exercise that can improve bone density and cardiovascular health, while biking is a low-impact exercise that is gentler on the joints. Running may burn more calories per mile, but biking can be a more sustainable form of exercise for those with joint issues. Ultimately, the best choice depends on individual fitness goals and preferences.