Top 10 Longevity and Graceful Aging Tips from My Experience
Here are 10 Things That Helped Me Feel Younger in My 60s Than I Did in My 20s. Why Feeling Younger Depends Less on Our Birth Certificate and More on the Daily Choices That Influence Biological Aging
Curator’s Note: In the article, the author, Dr Mehmet Yildiz, reflects on feeling younger in his 60s than in their 20s, emphasizing that this perception stems from daily lifestyle choices rather than cosmetic interventions. Key themes include the significance of mental attitude, metabolic flexibility, proper nutrition, engaging physically and mentally, and valuing relationships over material possessions. The author shares ten principles that have contributed to their sense of vitality, including cultivating a growth mindset, training for capability, and prioritizing recovery over constant productivity. Ultimately, the narrative encourages readers to focus on improving healthspan through consistent, positive life choices, fostering overall well-being and resilience as they age.
Dear Subscribers,
During a pleasant barbecue in our backyard this weekend, one of my 67-year-old neighbors smiled and said, “Every time I see you, you seem to be getting younger, mate.” I chuckled and thanked him for the kind compliment, but he and a few others refused to let the topic go. They kept asking what my secret was, convinced I was holding something back. Their curiosity and my responses inspired me to write this story.
I told him that I genuinely feel younger than I did decades ago, although I’m not convinced I actually look younger. Our conversation stayed with me long after the visitors had gone home, and it motivated me to write this personal, heartfelt, and inspirational story, in the hope that some of the lessons I have learned might encourage my readers beyond my close circles.
In general, when I tell people that I feel younger in my 60s than I did in my 20s, some smile politely and assume it is simply my perception. In contrast, others wonder whether I have discovered an expensive anti-aging formula. The reality is less glamorous but, I believe, more natural and encouraging.
As many friends, colleagues, and loyal readers know, my experience has not been built on cosmetic procedures, miracle supplements, or extraordinary genetics. It has been the outcome of thousands of small decisions repeated consistently over several decades, which I documented in stories, essays, blog posts, and book chapters.
Like anyone else, I certainly cannot stop chronological aging. Despite some commercial claims, none of us can at this stage. However, I have learned that biological aging is influenced by how we nourish our cells, challenge our bodies, engage our minds, recover from stress, and connect meaningfully with other people.
I keep emphasizing that my feeling younger is not related to appearance but to my energy, resilience, curiosity, strength, joy, and purpose, which define the scope of this personal story.
As I mentioned in my previous stories, my 20s were productive and exciting, marked by professional growth; however, they were also filled with chronic stress, elevated cortisol, insulin resistance leading to poor metabolic health, nutritional mistakes, and constant busyness.
Ironically, in my 60s, I carry more responsibilities, write more books, teach or mentor more people, and remain physically and mentally stronger than I was four decades ago.
In this personal story, I want to outline 10 tailored lifestyle principles that gradually changed my life and might inspire you. They are not prescriptions but observations, experiences, and perspectives from my own journey. I hope they encourage and inspire you to discover approaches that suit your own body, mind, background, circumstances, and goals.
1. I Changed the Story I Told Myself
The first change happened long before I modified my diet or exercise habits. It began in my curious mind. I realized that our thoughts and expectations influence our behavior, and that our behavior eventually influences our biology.
When I replaced limiting beliefs with realistic optimism and adopted a growth mindset, I became more willing to learn, adapt, recover from setbacks, and pursue meaningful goals.
Instead of asking why something was happening to me, I took personal responsibility and started asking what I could learn from it. This simple change reduced unnecessary psychological and emotional stress and helped me approach health as a lifelong practice rather than a temporary project.
2. I Made My Body Metabolically Flexible
One of the most important discoveries of my adult life was that the human body is remarkably adaptable to internal and external stress. Therefore, I focused on gaining metabolic flexibility. Understanding nutritional biochemistry helped a lot to gain metabolic flexibility.
Through intermittent fasting like eating one nutritious meal a day putting me into ketosis, occasional extended fasting (4 times annually, up to 10 days), and nutritional ketosis, I gradually became metabolically flexible. My body learned to use both glucose and stored fat efficiently for energy. Along the way, I observed improvements in body composition, mental clarity, sustained energy, and overall well-being.
While researchers continue exploring the underlying mechanisms, natural processes such as autophagy, mitochondrial renewal, and improved metabolic regulation appear to contribute to many of these adaptations.
I discuss these concepts in greater detail in my books Healthspan Mastery and Cellular Intelligence, but the practical lesson is surprisingly simple: our bodies benefit from periodic breaks from constant eating for restoration and renewal.
3. I Started Feeding My Cells Instead of My Cravings
In my 20s, I feared healthy fats, underestimated protein, and overlooked several essential micronutrients, leading to anemia, prediabetes, abdominal obesity, and brain fog. Like many people, I followed dietary advice that seemed sensible at the time but did not serve my body well.
Today, my focus is not on counting calories but on providing the building blocks my cells need to function efficiently. For example, adequate and biovailable protein supports muscle maintenance, healthy fats support hormonal and neurological function, and essential vitamins and minerals help countless biochemical reactions proceed as intended.
When nutritional deficiencies gradually disappeared with healthy nutritional biochemistry choices, so did much of my fatigue, metabolic dysfunction like prediabetes or abdominal obesity, and brain fog,
4. I Learned That Hormetic Stress Can Make Us Stronger
For years I believed that all stress was harmful. Eventually I discovered that stress biology is far more nuanced. Our bodies become stronger when exposed to controlled and carefully managed challenges followed by adequate recovery. Scientists describe this adaptive process as hormesis.
Fasting, resistance training like weight lifting and calisthenics, cold exposure, heat therapy in dry saunas, and even intellectual challenges all represent manageable forms of stress that encourage adaptation rather than deterioration when practiced sensibly.
My new objective is not to eliminate stress from life, but to distinguish between chronic, destructive stress and temporary, controlled, manageable, and constructive stress, called eustress or hermetic stress.
5. I Began Training for Capability Rather Than Appearance
My relationship with exercise also changed dramatically between my 20s and 60s. For example, instead of chasing calories or spending endless hours performing repetitive cardio, I started training for strength, mobility, balance, coordination, flexibility, and endurance.
Resistance training, calisthenics, walking, swimming, yoga, and short bursts of high-intensity exercise became enjoyable parts of daily life rather than obligations. They helped preserve muscle quality, improve posture, strengthen bones, and maintain functional independence.
Today my goal is simple yet effective and sustainable for my age. I want my body to remain capable of serving me well throughout the coming decades rather than simply looking younger in photographs. I explained my perspectives on healthspan in a recent story titled The Science and Wisdom Behind Living Beyond 100.
6. I Train My Brain and Mind Daily
Just as muscles become stronger through regular use, our brains and minds benefit from continuous stimulation, followed by a period of restoration, which I covered in two stories.
Writing, reading, learning new technologies, studying neurobiology, solving problems, joining laughter yoga, exploring challenges in noetic intelligence, playing cognitive games, and practicing neurobics became daily habits that kept my mind engaged.
Lifelong learning has become one of the greatest sources of joy in my life. Curiosity may not eliminate aging, but it certainly makes growing older far more interesting. I shared my brain train gym in 2022 in a story titled Here’s How I Train My Brain Daily for Mental Clarity and Intellectual Productivity.
Many of these cognitive practices are explored further in my book How I Accelerated My Learning Effortlessly for a Happier Life and Train Your Brain for a Healthier and Happier Life, where I discuss practical ways to strengthen learning throughout life.
7. I Learned That Physical and Mental Recovery, Not Productivity Hacks, Is Where Growth Happens
For many years I believed productivity depended on working harder. Eventually I realized that progress depends more on mental and physical recovery. I explained this point in a nuanced story titled Why Ditching Productivity Porn and Replacing It With Meditation Dramatically Changed My Life.
Apart from daily restorative sleep, meditation, mindfulness, breathing exercises, and moments of calm reflection helped regulate my stress response and improve emotional balance.
Recovery allowed both my body and mind to adapt to the challenges I intentionally introduced through exercise, fasting, learning, and work. Without timely recovery and full restoration, even healthy habits and productivity hacks can become additional sources of stress.
8. I Organized My Life Around Flow Rather Than Busyness
Modern society celebrates being busy, yet busyness and productivity are not the same. Ironically, for me, producing more meaningful work required doing fewer things simultaneously.
For example, learning to enter a flow state and stay in it throughout a work or study session fundamentally changed how I worked and studied.
Rather than constantly switching between tasks, I devoted uninterrupted time to writing, research, problem-solving, creative thinking, and producing results. In a flow state, time passed more quickly, stress declined, and the quality of my work improved considerably.
9. I Invested More in People Than Possessions
One lesson became clearer as I grew older: relationships influence health far more than our possessions and reputation. I learned that strong social connections may not eliminate life’s challenges, but they certainly make them easier to carry.
For example, supportive families, trusted friends, professional colleagues, students, readers, and communities all contributed to my emotional well-being. Meaningful conversations reduced loneliness, increased motivation, and provided purpose during difficult periods.
As I spent more time mentoring, writing for the greater good, volunteering in my community, and helping others to the best of my ability, I discovered that generosity benefits both the giver and the receiver.
10. I Stopped Chasing Youth and Started Building Healthspan for Graceful Aging
For me, the greatest change was philosophical and even metaphysical. I no longer aim to look younger, but to function better while helping others and, hopefully, leaving a legacy behind me for new generations.
Healthspan has become far more meaningful to me than lifespan alone. Living longer has limited value if we cannot think clearly, move confidently, remain independent, and contribute to others’ lives. Chronological aging remains inevitable, but biological aging is influenced by how we choose to live each day.
This perspective inspired much of my writing in Healthspan Mastery, Cellular Intelligence, and The Science and Wisdom of Graceful Aging. These books all grew from the same observation: healthy aging is not the result of one extraordinary intervention. It is usually the accumulation of countless ordinary decisions made consistently over many years.
Conclusions and Key Takeaways
Looking back, I do not believe there was a single turning point that made me feel younger. Instead, many small improvements gradually reinforced one another. For example:
Better nutrition supported better exercise. Exercise improved sleep. Better sleep strengthened emotional resilience. Curiosity encouraged lifelong learning. Strong relationships enriched purpose. Together they formed a positive cycle that continues today.
My goal in sharing this personal story is not that readers copy my routine exactly. Every individual has unique genetics, medical histories, preferences, and circumstances. Rather, I hope these experiences encourage and inspire you to examine your own daily choices with curiosity and realistic optimism.
Growing older is a privilege denied to many. Feeling healthier while doing so is an opportunity that remains available to far more of us than we can imagine.
Related to healthspan, last week was Australia’s National Diabetes Week (12–18 July 2026). I shared the summary of my heartfelt speech at a community event last Sunday:
My Key Messages from Australia’s National Diabetes Week for Readers Around the World
“Living Out Loud” Starts with Listening to Our Metabolism: My Message of Prevention, Continuous Glucose Monitoring, and…medium.com
Related to this story, I wrote many stories about nutrition, brain health, fasting, ketosis, fat loss, and lean muscle building. You can find them via these lists:
If you are interested in healthspan and graceful aging, I leave you with some sample chapters from these two related books:
Sample chapters about graceful aging:
Understanding Key Factors That Shape Aging and How They Influence Healthspan
Relationships Between Mitochondrial Signaling, Brain Plasticity, and the Biology of Aging
Dementia: An Overview of “Mini-Mental State Examination” Tests for the Aging Population
Sample Chapters of Healthspan Mastery
Longevity Escape Velocity: Promise, Pressure, and Practical Limits
Understanding the Compression of Morbidity Concept for Healthspan
A Little Daily Discomfort Can Go a Long Way for Your Healthspan
Understanding and Addressing Stress Triggers and Aggravators Made Me Healthier and Happier
Why Do I Feel Empty When Nothing Is Obviously Wrong in My Life?
I Do Everything to Be Happy, Yet Something Still Feels Missing.
Eudaimonic Rewards: How the Brain Sustains Joy, Meaning, and Healthspan
Behaviourceuticals vs Pharmaceuticals: Finding the Balance for Healthspan and Cognitive Performance
How to Reset Neural Circuits Causing Discomfort and Life Dissatisfaction
Food for Healthspan: What You Eat Determines the Quality of Your Life
The Body and Mind Need Constant Motion to Sustain Energy, Strength, Flexibility, and Vitality
Thank you for reading my perspectives. I wish you a healthy and happy life.
[End of the Story]
Updates on My Creative Work with Relevant Links
I am pleased that my new health and wellness books, What the Brain Needs, Why We Fail, and How We Can Fix It, Ketosis + BDNF: The Healing Molecules That Saved My Life, Cellular Intelligence, Feel Better, Live Smarter, Thrive Anywhere, How I Accelerated My Learning Effortlessly for a Happier Life, Healthspan Mastery, The Science & Wisdom of Graceful Aging, and the Subconsious book, were published and are now available in many bookstores, as part of my Health, Wellness, and Cognitive Performance Series.
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