Among the recognized health benefits of doing regular aerobic exercise are:

Strengthens the muscles involved in respiration, to facilitate the flow of air in and out of the lungs
Strengthens and enlarges the heart muscle, to improve its pumping efficiency and reduce the resting heart rate, known as aerobic conditioning
Improves circulation efficiency and reducing blood pressure
Increases pain tolerance
Maintains independence in later life
Increases the total number of red blood cells in the body, facilitating transport of oxygen
Improves mental health, including reducing stress and lowering the incidence of depression, as well as increased cognitive capacity.
Slightly reduced depression may also be observed, especially if aerobic exercises are used as additional treatment for patients with a hematological malignancy
Reduces the risk for diabetes (One meta-analysis has shown, from multiple conducted studies, that aerobic exercise does help lower Hb A1Clevels for type 2 diabetics.
Moderates the risk of death due to cardiovascular problems
Reduces risk for heart disease, blood clots, and stroke
Lowers total cholesterol
Raises high-density lipoprotein, or “good cholesterol”
Promotes weight loss
Prevents bone loss

Lowers inflammation
Prevents vascular dysfunction
Improves Episodic memory
High-impact aerobic activities (such as jogging or using a skipping rope) can:

Stimulate bone growth
Reduce the risk of osteoporosis for both men and women