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Healthy aging and longevity

Epigenetics and aging: How are they connected?

Chemical changes to DNA and nearby proteins — known as epigenetic marks — may reveal clues about health and longevity.

By , Executive Editor, Harvard Heart Letter
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Epigenetics is the study of how behavior, the environment, and other factors can trigger chemical changes to DNA or nearby proteins that affect how genes work. Collectively, these changes (known as epigenetic marks) may provide clues about health and longevity.

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About the Author

photo of Julie Corliss

Julie Corliss, Executive Editor, Harvard Heart Letter

Julie Corliss has been the executive editor of the Harvard Heart Letter since 2013. She also writes for the Harvard Health Letter, Harvard Women’s Health Watch, and Harvard Men’s Health Watch, as well as for Harvard … See Full Bio
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About the Reviewer

photo of Julia Loewenthal, MD

Julia Loewenthal, MD, Contributor

Dr. Julia Loewenthal is a primary care physician at Lutanen Health, and assistant professor of medicine (part-time) at Harvard Medical School. She has a strong interest in longevity and healthy aging, with a focus on providing … See Full Bio
View all posts by Julia Loewenthal, MD
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