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  1. Dictionary
    old age
    /ˈōld ˈāj/

    noun

    • 1. the later part of normal life: "loneliness affects many people in old age"

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  2. www.britannica.com › science › old-ageOld age | Challenges, Benefits & Lifestyle Changes | Britannica

    Jul 1, 2024 · old age, in human beings, the final stage of the normal life span. Definitions of old age are not consistent from the standpoints of biology, demography (conditions of mortality and morbidity), employment and retirement, and sociology.

    • Age

      Human aging, physiological changes in the human body that...

    • Aging

      aging, progressive physiological changes in an organism that...

  3. en.wikipedia.org › wiki › Old_ageOld age - Wikipedia

    4 days ago · Old age is the range of ages for people nearing and surpassing life expectancy. People of old age are also referred to as: old people, elderly, elders, seniors, senior citizens, or older adults. [1] Old age is not a definite biological stage: the chronological age denoted as "old age" varies culturally and historically. [2]

  4. www.britannica.com › science › human-agingHuman aging | Description, Physical Effects, & Psychological...

    Jul 3, 2024 · Human aging, physiological changes in the human body that lead to senescence, involving declines in biological functions and the ability to adapt to metabolic stress. These physiological developments usually are accompanied by psychological and behavioral changes and social and economic changes.

  5. www.britannica.com › science › aging-life-processAging | Definition, Process, & Effects | Britannica

    4 days ago · aging, progressive physiological changes in an organism that lead to senescence, or a decline of biological functions and of the organism’s ability to adapt to metabolic stress.

  6. theheartysoul.com › 7-types-of-old-ageThere Are 7 Types of Old Age. Which Are You? - theheartysoul.com

    Jul 3, 2024 · Gone are the days when old age was a one-size-fits-all concept. Today, older adults are redefining what it means to grow old, embracing different lifestyles and attitudes. Here, we explore seven types of old age and help you determine which category you might fall into. 1.

  7. en.wikipedia.org › wiki › AgeingAgeing - Wikipedia

    3 days ago · Ageing (or aging in American English) is the process of becoming older. The term refers mainly to humans, many other animals, and fungi, whereas for example, bacteria, perennial plants and some simple animals are potentially biologically immortal. [1]

  8. www.verywellfit.com › how-your-body-shape-changes-with-ageHow Your Body Shape Changes With Age - Verywell Fit

    Jun 29, 2024 · In the most simple terms, aging is the process of growing older. Aging is more complex than that number you hit on your birthday. According to one article published in Biochemia Medica, aging is the time-related irreversible deterioration of the physiological process that supports a species’ ability to survive.