
Science is revealing new ways to slow down how fast your body ages. And this latest secret isn't buried in some cutting-edge biotech lab… it’s in your muscles.
Scientists have uncovered how one specific form of exercise can protect your DNA, add years to your life, and help you feel younger than your biological age. The best part? You only need 10 minutes a week to start seeing a difference.
Key Takeaways
- Strength Training = Youthful DNA: Just 10 minutes a week of resistance training can extend your biological youth by lengthening telomeres.
- Works for Everyone: The anti-aging benefits of strength training were seen across all ages, genders, and lifestyles.
- It's About More Than Muscle: Strength training reduces oxidative stress, inflammation, and chronic disease risk—all factors that speed up aging.
Exercise Makes You Grow Younger By Lengthening Telomeres
While there’s no way of stop Old Father Time forever, we can hold back the clock on a type of aging that takes place inside our cells. As a result, we’re less likely to suffer chronic age-related diseases and lose our lives prematurely.
I’m talking about regular exercise, and its impact on your cells’ telomeres is remarkable.
Telomeres are stretches of repetitive DNA sequences (base pairs) that form protective caps at the end of chromosomes. They shorten with each cell division, and about 26 base pairs are lost each year.
If someone has shorter telomeres than would be expected for their age, they’re at greater risk of age-related diseases and a decreased lifespan.
Since the amount telomeres shorten is considered a marker of biological aging, preserving their length should slow the rate of aging. One method of doing this is through aerobic exercise.
A study conducted by Larry Tucker, professor of exercise science at Brigham Young University in 2017, found adults with high physical activity levels have telomeres that are nine years “younger” than those who are sedentary.
The professor next turned his attention to strength training.
Can Lifting Weights Really Make You Younger? Science Says Yes.
While maintaining muscle strength can protect against many common age-related diseases, little is known about whether building strong muscles reduces cellular aging. The only previous telomere study included seven long-term powerlifters compared to seven inactive volunteers.
Although their telomeres were longer, these dedicated gymgoers differed considerably from everyday folk, so Professor Tucker conducted a much larger study, one that was representative of the U.S. adult population.
To do so, he and a colleague investigated whether regular strength training is connected to the length of telomeres in 4,814 American men and women aged 20 to 69. Each reported how often they engaged in muscle-strengthening exercises and gave a blood sample to measure telomeres in white blood cells.
Roll Back Your Cellular Age Nearly Four Years In Minutes
After tweaking the stats to account for differences due to age, sex, race, income, household size, smoking, body size, and participation in 47 physical activities other than strength training, the findings showed:
- Those who trained regularly had significantly longer telomeres than those who didn’t.
- The longer the time spent on strength training, the longer the telomeres.
- For every 10 minutes spent training each week, telomeres were 6.7 base pairs longer.
- Ninety minutes per week of strength training was predictive of telomeres that were 60.3 base pairs longer. This difference translated to cells that appeared nearly four years younger biologically than their chronological age would suggest.
- Researchers saw anti-aging benefits in both men and women of all ages.
The study shows strength training slows the aging clock, but how does it achieve this?
Strength Training Decreases Oxidative Stress
Lifestyle factors influence telomere length. For example, unhealthy lifestyle habits like smoking, obesity, pollution exposure, lack of physical activity, poor diet and chronic stress speed up telomere shortening, mostly likely by causing oxidative stress and DNA damage.
On the flip side, consuming fewer calories, including plenty of antioxidants in your diet and exercising do the opposite, preserving telomeres and reducing the pace of aging. Since regular strength training results in multiple health benefits, this may account for why it leads to longer telomeres.
The benefits of strength training include reduced body fat, muscle loss reversal, elevated resting metabolic rate, better blood sugar control, healthier blood fat profile, and improved cardiovascular health. Strength training also decreases oxidative stress.
With all these benefits, Professor Tucker and his colleague wrote in the journal Biology in October, “it is logical that strength training may limit disease and slow the aging of cells. In short, by reducing the effects of chronic disease and metabolic risk factors, resistance training appears to slow the biological aging process and reduce cell senescence, which is evidenced by longer telomeres.”
For those unable or unwilling to engage in this form of exercise, there are some no-effort alternatives. You can relax your way to longer telomeres with meditation. And you can help preserve and even build muscle mass without exercise with Green Valley Naturals Bone & Muscle Defense.
You can also support your telomere health directly with Green Valley Naturals Genesis supplement, with a patented nutrient called Telos95, shown in a recent study at Princeton Consumer Research to support telomere health.
Summary
Strength training may do more than build muscle—it could actually slow biological aging at the cellular level. A large study involving nearly 5,000 U.S. adults found that people who engaged in regular resistance training had significantly longer telomeres, the protective caps on the ends of DNA linked to longevity. Just 90 minutes of weekly strength training was associated with telomeres that made participants biologically nearly four years younger. Researchers believe the benefits come from reduced oxidative stress and improved metabolic health, making strength training a powerful anti-aging tool for people of all ages.
Frequently Asked Questions
- What are telomeres, and why do they matter?
Telomeres are protective caps at the ends of chromosomes. Their length is a key marker of biological aging—the shorter they are, the older your cells behave. - How does strength training affect aging?
Resistance training has been shown to lengthen telomeres, potentially slowing the biological aging process and reducing the risk for age-related diseases. - How much strength training is needed?
Even 10 minutes a week shows a positive impact. But 90 minutes per week appears to provide the greatest anti-aging benefits, making your cells nearly 4 years younger. - Does this work for everyone?
Yes! The study found that the benefits applied to both men and women across all age groups. - Are there alternatives if I can't do strength training?
Yes—meditation may also support telomere length, and the supplement HMB has been shown to preserve muscle mass even without exercise.
- The Telegraph: Weightlifting could take eight years off your body, 7 December 2024
- Tucker LA, et al. Telomere Length and Biological Aging: The Role of Strength Training in 4814 US Men and Women. Biology (Basel). 2024 Oct 30;13(11):883