The latest studies highlight how exercise continues to reshape healthy aging, cardiovascular health, prevention and the future of fitness.
By Erin Phelan
Fitness Industry Council of Canada
Every week, dozens of exercise science studies are published. Most add another piece to the evidence. Some raise more questions than answers, while others are based on cohorts too small to know whether the findings will translate into real-world practice.
Every so often, however, a handful of studies genuinely move the conversation forward.
As summer offers an opportunity to slow down and catch up on reading, it also seems like the perfect time to launch a new monthly feature for FitBizWeekly. Each month, we’ll highlight the latest exercise science with one simple goal: translating the research into practical insights for fitness operators, trainers and industry leaders.
This isn’t about summarizing academic papers. It’s about understanding what they mean for our businesses, our members and the future of the fitness industry.
This Month’s Research Highlights
This month, three studies are worth a closer look. Individually, each adds another important piece to the evidence. Collectively, they reinforce the growing role exercise is playing in prevention, healthy aging and long-term health.
We’ll also look at several developments from around the world that demonstrate how governments, healthcare systems and researchers are increasingly recognizing exercise as an essential part of improving population health.
STUDY 1: Exercise May Keep Your Muscles Biologically Younger
One of the most significant exercise science papers of 2026 wasn’t about weight loss, VO₂ max or muscle growth. It asked a much bigger question:
Can years of regular exercise actually slow the biological aging of our muscles?
Researchers publishing in Nature Aging compared skeletal muscle from three groups: young adults, normally active older adults and older adults who had maintained a high level of fitness throughout their lives. Using sophisticated molecular techniques, they examined not only how muscle tissue differed between the groups, but also how each responded to a single bout of exercise.
The findings were remarkable.
Compared with normally active older adults, exercise-trained older adults demonstrated approximately 50 per cent fewer age-related molecular changes in skeletal muscle. Many of the biological pathways involved in energy production, mitochondrial function and cellular metabolism more closely resembled those found in much younger adults.
Researchers also discovered that fitter older adults mounted a stronger adaptive response after exercise. While all participants activated immune and stress-response pathways following a workout, those who had trained consistently over many years demonstrated a more robust repair and recovery response.
The study also identified healthier mitochondrial function, improved lipid metabolism and better preservation of cellular energy systems, providing a biological explanation for why lifelong exercisers often remain stronger and more functional as they age.
Why This Matters
Healthy aging is quickly becoming one of the fitness industry’s greatest opportunities. This study reinforces that exercise is about far more than appearance or performance—it may help preserve the biological function of muscle itself. As Canada’s population ages, clubs that help members stay active over decades are increasingly becoming partners in prevention, independence and healthy longevity.
Research Citation: Janssens GE, Trętowicz MM, Grevendonk L, et al. Delayed molecular aging, preservation of energy metabolism and enhanced exercise responses in trained older adults. Nature Aging. 2026. DOI: 10.1038/s43587-026-01150-x.
STUDY 2: Strength Training Plays a Larger Role in Women’s Heart Health
For decades, aerobic exercise has been considered the cornerstone of cardiovascular disease prevention. Strength training has certainly been encouraged, but largely for building muscle, improving bone density and supporting healthy aging.
A landmark study published in the Journal of the American College of Cardiology suggests resistance training deserves a much larger role in protecting women’s hearts.
Researchers followed more than 117,000 women participating in the Nurses’ Health Study and Nurses’ Health Study II over an average of 14.5 years. Participants reported their resistance training, aerobic activity and television viewing habits, allowing researchers to examine how these behaviours influenced the risk of major cardiovascular events.
Women performing at least two hours of resistance training each week experienced a 20 per cent lower risk of major cardiovascular disease than women who performed no strength training. Even more striking, they experienced a 44 per cent lower risk of heart attack.
The researchers also found that every additional hour of weekly resistance training produced further reductions in cardiovascular risk.
Perhaps the most important finding, however, was that the greatest protection came from combining resistance training, regular aerobic exercise and less sedentary behaviour. Rather than competing with cardio, strength training appears to complement it.
The message is becoming increasingly clear: cardiovascular health is influenced not by one exercise modality, but by an active lifestyle that includes multiple forms of movement.
Why This Matters
For operators, this is an opportunity to reposition the strength floor. Helping women become comfortable with resistance training is no longer simply about muscle or metabolism—it is also about heart health. The most successful facilities will be those that combine accessible strength programming with cardio and education that encourages members to sit less and move more.
Research Citation: Zhang T, Zhang Y, Lee DH, et al. Resistance Training, Aerobic Activity, Television Viewing, and Risk of Major Cardiovascular Events in U.S. Women. Journal of the American College of Cardiology. Published online June 17, 2026. DOI: 10.1016/j.jacc.2026.04.036.
STUDY 3: Can Five Minutes Really Make a Difference?
One of the greatest challenges facing the fitness industry is convincing inactive people that exercise is worth starting.
Too often, prospective members believe physical activity is an all-or-nothing commitment. If they cannot dedicate an hour to the gym several times each week, they assume there is little value in doing anything at all.
New research suggests exactly the opposite.
A recent study published in The Lancet found that the greatest health gains occur among the least active individuals. While public health guidelines continue to recommend 150 minutes of moderate physical activity each week, researchers found that adding as little as five to ten minutes of moderate-to-vigorous movement each day was associated with meaningful reductions in the risk of premature death.
The relationship between exercise and health is not linear. The largest improvements occur when someone moves from doing almost nothing to doing something. Additional exercise continues to provide benefits, but those first few minutes appear to have an outsized impact for previously inactive individuals.
It is an encouraging message at a time when physical inactivity remains one of the leading modifiable risk factors for chronic disease worldwide.
Why This Matters
For operators, this study gives permission to simplify the message.
“The biggest opportunity isn’t convincing experienced members to do a little more—it’s helping inactive Canadians take the first step.”
Instead of selling perfection, we can promote progress. For many people, five minutes today becomes thirty minutes six months from now.
Research Citation: The Lancet. Dose-response associations between accelerometer-measured physical activity and all-cause mortality in adults: a pooled analysis of prospective cohort studies. The Lancet. 2025;406. DOI: 10.1016/S0140-6736(25)02219-6.
THE GLOBAL MOVEMENT
England Pilots Incentives for Walking
Not every important development comes from a scientific journal.
England’s National Health Service is preparing to pilot Movement 26.2, an initiative that rewards people for walking through vouchers and incentives. While the program is still being evaluated, it reflects a growing recognition that governments can encourage healthy behaviours before chronic disease develops. Prevention is increasingly becoming public policy.
Australia: Exercise Moves Closer to Frontline Mental Healthcare
Researchers in Australia recently concluded that aerobic exercise should be considered a frontline treatment option for people experiencing mild depression and anxiety. Rather than viewing exercise solely as a complementary therapy, the evidence increasingly supports physical activity as an effective, evidence-based intervention that can sit alongside traditional mental healthcare.
Around the World, Prevention Is Gaining Momentum
Taken together, these developments point to a broader shift. Around the world, researchers, healthcare systems and policymakers are reaching the same conclusion: exercise is no longer simply a lifestyle recommendation. It is becoming an essential component of preventing chronic disease, supporting mental health and improving quality of life across the lifespan.
The Bottom Line
None of these studies suggest exercise is simply another option for improving health.
Together, they reinforce a broader trend: exercise is increasingly being recognized as a cornerstone of preventive medicine. From slowing biological aging and protecting cardiovascular health to demonstrating that even a few minutes of daily movement can improve outcomes, the evidence continues to point in the same direction.
The opportunity for the fitness industry is no longer to convince people that exercise works.
It is to position fitness facilities and qualified professionals as essential partners in the delivery of long-term health.
For operators, that means creating welcoming strength spaces, making movement accessible to beginners, and building programs that keep members engaged for years rather than weeks. The industry’s future will not be defined solely by equipment, technology or amenities. It will be defined by its ability to improve health outcomes.
If these three studies are any indication, the science has never been clearer.
Exercise isn’t just changing bodies. It’s helping change the future of healthcare.
Fitness Industry Council of Canada (FIC) is the not-for profit trade association that represents the voice of fitness facility operators across Canada. Representing more than 6,000 facilities with more than six-million members nationwide, FIC pursues a legislative agenda in the hope of bettering the fitness industry for both consumers and operators. FIC aims to work with both industry and government to improve the health and physical activity levels of Canadians.
