The Science of Feeling Younger Than Your Age

The Welltality Edit™ | Originally Published As Edition #26

 By Gabriella Testa, MS, NBC-HWC, FMCHC, CLC | Founder, Welltality Coaching® | Creator of The Welltality Method™

 Written for The Welltality Woman™—a woman who believes a life of significance deserves to be experienced with health, vitality, presence, purpose, aliveness and the freedom to keep becoming.

 ✦ Where Biology Meets Becoming™

Editor's Note

Have you ever looked at your age on paper or said it aloud and felt a moment of disbelief?

 Not necessarily because you're uncomfortable with the number, but because it doesn't quite correspond to the woman you experience yourself to be.

 You may be 40, 48, 53, or 60, yet somewhere within you, there is a sense of being considerably younger. Your curiosity hasn't diminished. Your ambitions remain substantial. You still appreciate beauty, desire, adventure, and the excitement of something new.

 And then someone refers to you as a woman of a certain age.

 It's an interesting collision between how the world categorizes us and how we experience ourselves.

 Science has a name for this distinction: subjective age. Research suggests that the age we feel may reveal something meaningful about our health and our experience of aging.

The Age We Feel

Chronological age measures the years we've lived.

Biological age tells a more complex story. It attempts to characterize aspects of physiological and cellular aging using biomarkers, including certain patterns of DNA methylation. Two women may both be 55, yet differ considerably in metabolic health, cardiovascular fitness, inflammatory burden, and other dimensions of biological function.

Our chronological age is fixed, but the trajectory of our biological health is not entirely predetermined. Lifestyle, stress, environment, genetics, and medical care all influence how we age.

Subjective age introduces another fascinating dimension: how old we actually feel, which may differ from both our chronological and biological ages.

And the difference can be surprisingly substantial.

In a 2021 meta-analysis of 294 studies, researchers found that adults aged 60 and older reported feeling, on average, approximately 13–18% younger than their chronological age. This tendency was observed across continents, although its magnitude varied by region and culture (Pinquart & Wahl, 2021).

But the more interesting question is whether the age we feel has implications beyond our perception of ourselves.

What the Research Reveals

A 2018 study of more than 17,000 participants across three longitudinal samples found that individuals who felt older relative to their chronological age experienced a higher risk of mortality during follow-up.

Importantly, much of this association was explained by existing health conditions, physical inactivity, functional limitations, and cognitive difficulties. The research did not establish that feeling younger extends life (Stephan, Sutin & Terracciano, 2018).

A 2023 meta-analysis of 107 longitudinal studies also found modest but consistent associations between individuals' perceptions of their own aging and subsequent health outcomes, including longevity (Westerhof et al., 2023).

What makes this research particularly interesting is that subjective age sits at the intersection of physiology and perception.

How we feel physically may influence how old we feel, while our beliefs about aging may shape the activities, challenges, and experiences we continue to pursue.

The relationship is complex, but it challenges the assumption that age is experienced through biology alone.

When the Calendar Becomes an Identity

Our culture has an extraordinary tendency to assign meaning to birthdays.

Certain ages are supposed to represent arrival. Others suggest transition, maturity, or the beginning of decline. We inherit assumptions about what is appropriate to wear, pursue, desire, or attempt at different points in life.

Yet there is something particularly disorienting about feeling as ambitious, curious, and engaged as ever while recognizing that your body, and sometimes the world around you, is beginning to respond differently.

You may still feel like the same woman who took on extraordinary challenges a decade ago, even as your energy, recovery, or hormonal landscape begins to change. Perhaps you're entering a new decade with ambitions that feel every bit as exciting as those you pursued twenty years earlier, while encountering subtle messages about what a woman your age should now prioritize.

For some women, the disconnect becomes especially apparent when the vitality they feel internally is no longer consistently reflected in their physical experience. They may be investing in their health, maintaining their appearance, and continuing to perform at a high level, yet noticing that their energy, resilience, or sense of possibility doesn't always match the woman they know themselves to be.

The disconnect isn't necessarily between who you were and who you're becoming. Sometimes it's between how you experience yourself and what you've been led to expect of a woman your age.

Hormonal transitions and changes in body composition, recovery, and sleep are real physiological experiences. But the meaning we attach to those changes is not always biologically predetermined.

A changing body or age does not require a diminishing sense of self.

The Biology Behind the Feeling

Sleep quality, physical fitness, hormonal changes, inflammation, metabolic shifts, pain, mood, and energy can all influence how we experience ourselves in everyday life.

A woman may invest considerably in her biological health, track her biomarkers, and maintain an impressive level of physical fitness, yet still find herself living according to expectations she has long outgrown.

Another may feel intellectually and emotionally younger than her years while struggling with changes in sleep, recovery, or energy that make it harder to live as expansively as she wants.

Neither experience can be fully understood through a single measure of age.

This is where longevity science becomes personally relevant, and where a more comprehensive perspective becomes valuable.

Biological-age measures can offer insights into aspects of how our bodies are aging. But those insights become more meaningful when considered alongside physical functioning, nervous-system capacity, the beliefs and identities influencing our choices, and the experiences that give our lives vitality.

The opportunity is not simply to improve a number, but to translate a deeper understanding of ourselves into greater strength, energy, resilience, and a life that feels increasingly aligned with who we are.

There is a meaningful distinction between the age we are and how well we feel living it.

And women should be free to want youthful vitality alongside the beauty, confidence, and sophistication that can come with experience.

An Age That Feels Like Your Own

Perhaps the real aspiration is to reach each new decade feeling exceptional in our own skin.

To feel physically strong, intellectually sharp, attractive, and energetic. To enjoy the confidence that comes with experience while retaining the curiosity, sensuality, and enthusiasm that make life exciting.

To pursue meaningful ambitions, appreciate beauty, experience pleasure, cultivate extraordinary relationships, and remain open to experiences we haven't yet imagined.

For the accomplished woman who has spent decades building a remarkable life, the next chapter need not be defined by maintaining what she has achieved. It can also be about expanding what she has the vitality, freedom, and desire to experience.

This is where the science of longevity and the art of personal evolution become inseparable. Understanding how our bodies are aging matters. So does understanding the expectations, beliefs, and identities through which we experience that aging.

There is no single way a woman in her forties, fifties, sixties, or beyond is supposed to feel, look, live, or aspire.

Perhaps the most compelling expression of aging well isn't looking, feeling, or behaving like a particular age. It's having the biological vitality and personal freedom to keep defining what each new decade can become.

A Moment of Reflection

If you set aside the number associated with your age, how old do you actually feel? And what most influences that feeling?

✧ In devotion to vitality, expansion, and becoming ✧

Gabriella Testa, MS, NBC-HWC, FMCHC, CLC | Founder, Welltality Coaching® | Creator of The Welltality Method™ | Luxury Longevity Coach & Strategist

 ✦ Welltality Coaching® is the home of Luxury Longevity Coaching™ for high-achieving women redefining what it means to live, age and evolve well. Through The Welltality Method™, a proprietary, deeply personalized, precision-led approach to health, longevity, and personal evolution, women are supported across different starting points, from optimization and recalibration to their next evolution. Learn more here.

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LinkedIn: Gabriella Testa, MS, NBC-HWC, FMCHC, CLC | Welltality Coaching® 

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Scientific References

1. Pinquart, M., & Wahl, H.-W. (2021). Subjective age from childhood to advanced old age: A meta-analysis. Psychology and Aging, 36(3), 394–406. https://doi.org/10.1037/pag0000600
2. Stephan, Y., Sutin, A. R., & Terracciano, A. (2018). Subjective age and mortality in three longitudinal samples. Psychosomatic Medicine, 80(7), 659–664. https://doi.org/10.1097/PSY.0000000000000613
3. Westerhof, G. J., Nehrkorn-Bailey, A. M., Tseng, H.-Y., Brothers, A., Siebert, J. S., Wurm, S., Wahl, H.-W., & Diehl, M. (2023). Longitudinal effects of subjective aging on health and longevity: An updated meta-analysis. Psychology and Aging, 38(3), 147–166. https://doi.org/10.1037/pag0000737