Cardio exercises can have many beneficial effects on a person’s body. A 2015 study found that people who completed a 4-week cardio exercise program had:

an increased sense of well-being
a decrease in psychological distress
a decrease in perceived stress
less emotional exhaustion

Cardio exercises may also be helpful for people who would like to lose weight. Researchers found that female participants who attended a Zumba class for 8 weeks had statistically significant effects in:

body fat mass reduction
body weight loss improvement
body mass index improvement
fat percentage reduction