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LMU 110 – Longevity Secret: The Power of Aerobic Fitness


LMU 110 – Longevity Secret: The Power of Aerobic Fitness

Source: Journal of the American Medical Association (October 2018)

Lifestyle Medicine Update (Oct 27, 2018)


In the tapestry of health, threads of wisdom have long woven together the associations between risk factors and diseases like heart disease and cancer. High cholesterol, high blood pressure, smoking, elevated blood sugar—these are the commonly acknowledged culprits. However, the arena of fitness and sedentary lifestyles has been an arena of debate, leaving questions about their concrete impact on health and longevity unanswered. A beacon of clarity emerges from the depths of scientific inquiry: a monumental study, published in JAMA in October 2018, unfurls irrefutable evidence connecting cardiorespiratory fitness and the grand tapestry of life itself.

A Gargantuan Study: Mapping the Path of Fitness and Survival

This study isn’t just a drop in the research ocean; it’s a tsunami that reshapes our understanding of fitness and survival. Encompassing over 122,000 individuals, this colossal endeavor revolved around exercise treadmill testing—an endeavor to unlock the secrets held within cardiorespiratory fitness levels. Spanning an average of eight and a half years, the results unveil an undeniable truth: a person’s cardiorespiratory fitness inversely correlates with the risk of death from all causes—a phenomenon known as all-cause mortality.

Survival Unveiled: The Fitness Connection

The study’s heart-stopping revelation resonates with hope: the more aerobically fit a person is, the better their chances of survival. Painting with bold strokes, the data showcases a remarkable trend. Individuals exhibiting a cardiorespiratory fitness level at or above 2.5 standard deviations beyond the age and gender average emerged as beacons of survival, boasting the lowest risk of all-cause mortality.

Aging Defied: The Triumph of Fitness Over Time

The symphony of survival conducted by fitness crescendos even in the twilight years. The study’s harmonious findings cast a reassuring light on subjects over 70 years old—proof that the benefits of aerobic fitness aren’t limited by age. The resonance of this truth is magnified in individuals with a history of high blood pressure, where the inclusion of aerobic fitness in lifestyle plans stands as a pillar of longevity.

The Sedentary Seduction: Fitness as a Guardian of Life

As the study sheds its luminescence on the effects of sedentary living, its revelations are stark. The peril of poor aerobic fitness eclipses the risks posed by traditional heart disease risk factors, smoking, and diabetes. The adage “sitting is the new smoking” finds an empirical ally, emphasizing that sedentary living exacts a toll on life’s canvas akin to smoking—a wake-up call to the sedentary souls.

The Unseen Threat: Sedentary Lifestyle’s Stealthy Lethality

The study’s echoes penetrate deeper into the health labyrinth, revealing an unseen spectre that even conventional risk factors can’t match. Even in the absence of obesity or major risk factors, an aerobically unfit existence emerges as a formidable foe. A sedentary or unfit lifestyle—regardless of other markers—positions individuals at the edge of the precipice, vulnerable to the abyss of premature death.

Aerobic Renaissance: The Path to Longevity

Amidst these revelations, the clarion call to action resounds with vigor. Personalized wellness journeys, carved with the intent to conquer time’s grasp, must include regular aerobic exercise training. This is the portal through which aerobically fit realms are entered and sustained. The equation is simple: the more one pushes their aerobic limits, the more longevity unfurls its welcoming arms.

Reviving Resolution: The Fitness Revival

If life’s pursuits have detoured you from the path of fitness, consider this your compass. The treadmill, the elliptical, the rowing machine—the avenues are diverse, but the destination is singular: health and longevity. Make this commitment 3-7 times a week. The rewards are resplendent—a vibrant life, a resilient body, and a future woven with vitality.

Conclusion: Marching Toward Longevity

As the final chords of this narrative resound, let’s rally to the call of fitness. The study published in JAMA reiterates the harmony between fitness and life’s longevity. The journey may be challenging, but the rewards are immeasurable. Whether you’ve just begun or are a seasoned voyager on the fitness path, remember: every step is a testament to life’s vitality. Let’s join hands and stride forth, fuelled by the revelation that fitness isn’t just a choice—it’s a guardian of life itself.


  1. Main Reference:
  2. Mandsager K, Harb S, Cremer P. Association of cardiorespiratory fitness with long-term mortality among adults undergoing exercise treadmill testing. JAMA, Oct. 19, 2018.

    [Read the full study here] (

Eat Smart, Live Well, Look Great,

Dr. Meschino

Dr. James Meschino


Dr. James Meschino, DC, MS, ROHP, is an educator, author, and researcher having lectured to thousands of healthcare professionals across North America. He holds a Master’s Degree in Science with specialties in human nutrition and biology and is recognized as an expert in the field of nutrition, anti-aging, fitness, and wellness as well as the author of numerous books.

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