Doing light, steady exercise like walking or slow cycling can slightly improve heart health in inactive adults — lowering blood pressure and bad cholesterol while raising good cholesterol. Even small changes add up to lower heart disease risk over time.

In individuals engaged in high-volume endurance exercise, optimal cardiovascular health requires concurrent management of traditional cardiovascular risk factors such as dyslipidemia, hypertension, and insulin resistance.

High-volume, high-intensity endurance exercise increases coronary artery plaque burden without increasing all-cause or cardiovascular mortality risk in otherwise healthy individuals.

High-volume endurance training is not associated with an increased incidence of acute myocardial infarction.

Even light exercise can be good for your heart and fitness, but the harder you work—within a low-intensity range—the more you’ll improve. There’s no ‘too easy’ when it comes to getting some benefit from light workouts.

Doing light, steady exercise like walking or slow cycling can help your body use oxygen better during everyday activities and may lower your risk of heart problems over time.