Cardiovascular exercise, also known as cardio, is exercise that helps the heart stay healthy. Cardio can be anaerobic or aerobic. Anaerobic means "without oxygen." Anaerobic activities, such as ...

Aerobic exercise, also known as cardio, "involves activities that use large muscle groups rhythmically and continuously, raising the heart and breathing rates," explains Gontang. He says that the word ...

Share on Pinterest Research suggests aerobic and combined training can significantly reduce 24-hour blood pressure. Image credit: Thomas Barwick/Getty Images Research links combined aerobic and ...

When you enter the gym, which way should you head first? Toward the treadmills and spin studio to get your sweat on with a cardio session? Or toward the free weights and strength-training machines to ...