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Medical illustration comparing a young heart (age 40) and an aging heart (age 70+). The diagram highlights anatomical differences such as thicker walls, stiffer vessels, and enlarged chambers in the aging heart versus flexible vessels and efficient pumping in the young heart, labeled 'Normal Heart Aging Changes.

Normal Heart Aging Changes: What’s Expected vs. Concerning Signs (2025 Guide)

Just as our eyes inevitably need reading glasses in our 40s, our hearts undergo predictable changes as we age. By age 65, your heart will have beaten more than 2 billion times – and like any well-used machine, it naturally experiences changes. Understanding which heart changes are normal versus concerning can help you maintain peace of mind while staying vigilant about your cardiovascular health. Learn about normal heart aging changes, warning signs to watch for, and evidence-based strategies to support your heart health throughout your life journey.

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