Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
The digestive system. It stores bile, which comes from the liver above it.
Endurance is the answer i think you're looking for.
Lowering the risk can help your health body and mind state feel better throughout the diseases your body has suffered.
