Both are good for cardiovascular health
Aerobic exercise, or cardio, keeps your cardiovascular system healthy. According to the US Department of Health and Human Services, adults should do 150 to 300 minutes per week of moderate-intensity aerobic activity, or 75 to 150 minutes of vigorous-intensity aerobic physical activity.
Both biking and running are beneficial forms of aerobic exercise. A large 2017 study in the UK found people who cycled to work had a lower risk of cardiovascular disease than those who walked to work or did not commute actively.
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