With age, older adults' hearts experience cell loss and become more rigid, resulting in heart pounding and taking longer to catch their breath after physical activity.

Question

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With aging, there is a loss of cells in the heart muscle and an increase in stiffness, both of which contribute to a reduced ability of the heart to respond to physical activity. This can lead to symptoms such as heart pounding and increased time to recover after exertion.

With Age, Older Adults' Hearts Experience Cell Loss and Become