health span

noun

: the length of time in one's life during which an individual is in reasonably good health
A revolutionary increase in life span has already occurred. A corresponding increase in health span, the maintenance of full function as nearly as possible to the end of life, should be the next gerontological goal.John W. Rowe and Robert L. Kahn
Several genetic studies in mice suggest that the elimination of senescent cells from the organism leads to extension of the mouse's health span and lifespan.Judy Siegel-Itzkovich

Examples of health span in a Sentence

Recent Examples on the Web
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About five years ago, Bernow noticed the mounting interest in rejuvenative medicine, which explores ways to protect the body against the chronic diseases that lead to poor health and a shorter health span. Alexa Mikhail, Flow Space, 5 Sep. 2025 In a video posted to his more than 1 million followers on social media, London broke down how two factors – VO2 max and muscle mass – can help increase health span and lifespan. Angelica Stabile, FOXNews.com, 3 Sep. 2025 Healthy behaviors become automatic and part of daily life, impacting not only obesity rates but also longevity and health span. Dr. Marschall Runge, Forbes.com, 25 Aug. 2025 Singapore’s average health span—the length of time where someone is deemed to be in good health—is 75 years, as noted by the country’s prime minister in a speech on Sunday. Lionel Lim, Fortune, 20 Aug. 2025 See All Example Sentences for health span

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of health span was in 1931

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Cite this Entry

“Health span.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/health%20span. Accessed 10 Sep. 2025.

Last Updated: - Updated example sentences
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