Summary: A major randomized clinical trial established that structured lifestyle interventions—such as healthy eating, regular exercise, and social activities—directly slow the biological aging process.
The study utilized data from the landmark U.S. POINTER trial to demonstrate that while self-guided wellness efforts yield minor health improvements, a structured program featuring accountability, coaching, and goal-setting significantly accelerates the reduction of systemic frailty and protects cognitive performance in aging adults.
Source: Wake Forest University
Researchers at Wake Forest University School of Medicine found evidence of slowed aging from lifestyle behaviors like healthy eating and exercise as part of a major clinical trial.
The new finding, published in this month’s edition of The Journals of Gerontology, is based on the Alzheimer’s Association’s U.S. Study to Protect Brain Health Through Lifestyle Intervention to Reduce Risk (U.S. POINTER), which was the first large-scale clinical trial to demonstrate that accessible interventions that make up a healthy lifestyle can protect cognitive function.
In the new paper, researchers found these healthy behaviors also reduced frailty, a key measure in aging research and a marker of the aging process. Frailty reflects the body’s accumulated health challenges over time and is strongly linked to risks like chronic disease, disability and mortality.
“These findings suggest that adopting accessible healthy behaviors may help slow important aspects of aging,” said Mark A. Espeland, Ph.D., lead author and professor of gerontology and geriatrics and internal medicine at Wake Forest University School of Medicine.
In the two-year, randomized U.S. POINTER trial, more than 2,100 adults between the ages of 60 and 79 who were at an increased risk for cognitive decline were split into two groups. One group followed a structured program with coaching, goal setting and regular checks to incorporate health eating, regular exercise, along with brain-stimulating and social activities. The other group followed a more self-guided approach to health.
Researchers at the School of Medicine, the academic core of Advocate Health, found those that followed the structured program experienced greater improvements in overall health and frailty compared to the other group. While both groups improved their frailty scores, those that followed the structured program had greater improvement.
“This shows the benefits of taking a structured approach to a healthy lifestyle,” Espeland said. “We know exercising and eating right is going to improve our health, but making efforts to participate in programs that offer guidance and accountability could be especially effective at keeping us healthy as we age.”
While participants in the structured program also showed stronger gains in cognitive performance, researchers found that improvements in frailty alone did not fully explain the brain benefits also found in the trial, suggesting multiple pathways to healthy aging.
“The results also add to growing evidence that targeting multiple areas of health at once, rather than focusing on a single behavior may be the key to maintaining independence and quality of life later in life,” Espeland added.
A: The breakthrough lies in the power of structure over intention. We all know we should be healthier, but this study proves that just trying to do it on your own isn’t enough to maximize longevity. Adults who entered a structured program with coaching and strict accountability checks physically aged slower, showing far less systemic frailty than those who tried to figure it out by themselves.
A: Frailty isn’t just a general feeling of being weak; it is a clinical metric that tracks the sum total of all the health challenges your body has accumulated over your lifetime. It serves as a direct mirror for your biological age. The higher your frailty score, the higher your statistical risk for chronic disease, disability, and mortality. Lowering this score means you are physically slowing down the aging clock.
A: Not directly, and that was one of the most exciting twists in the data. While the structured group saw massive boosts in both body strength and brain power, the researchers found that the drop in physical frailty didn’t fully explain the cognitive upgrades. This means that a structured lifestyle acts like a multi-pronged armor—improving your physical framework while simultaneously using entirely separate, hidden biological pathways to protect your mind.
Author: Kate Thayer
Source: Wake Forest University
Contact: Kate Thayer – Wake Forest University
Image: The image is credited to Neuroscience News
Original Research: Open access.
“Relative impact of multidomain lifestyle interventions on deficit accumulation frailty over 24 months in the U.S. POINTER trial” by Mark A. Espeland, KayLoni Olson, Christy C. Tangney, Darren R. Gitelman, MaryJo Cleveland, Amber A. Thro, Yitbarek N. Demesie, Heather M. Snyder, Rachel A. Whitmer, Pankaja Desai, Rifat Alam, Lucia Crivelli, Thomas M. Holland, Olivia Preissle, Rema Raman, Michele K. York, and Laura D. Baker. The Journals of Gerontology Series A
DOI:10.1093/gerona/glag094
Abstract
Relative impact of multidomain lifestyle interventions on deficit accumulation frailty over 24 months in the U.S. POINTER trial
Background
Multidomain lifestyle interventions hold promise as approaches to slow aging. Deficit accumulation frailty indices (FIs) are increasingly used to capture aging processes. Frailty is highly associated with increased mortality and chronic disease risk, but the degree to which multidomain lifestyle changes impact frailty is not clear.
Methods
The U.S. Study to Protect Brain Health through Lifestyle Intervention to Reduce Risk (U.S. POINTER) was a 2-year randomized clinical trial to compare two multidomain lifestyle interventions designed to increase exercise, improve diet, and promote social and cognitive stimulating activities and health monitoring. The Structured intervention incorporated greater structure, intensity, and accountability than the Self-Guided intervention. A modified FI (mFI) was developed from data collected at baseline, 12, and 24 months.
Results
The trial enrolled 2111 adults (ages 60-79 years) who were at increased risk for accelerated cognitive decline. At 24 months, the mean (standard error) changes from baseline of a 31-component mFI were −0.009 (0.002) for Self-Guided and −0.024 (0.002) for Structured participants, a difference averaging −0.014 [−0.019, −0.008] (P < .0001). Group differences were similar across subgroups based on age, sex, body mass index, diabetes, and baseline mFI. Changes in mFI did not account for the relative cognitive benefits provided by the Structured intervention compared to the Self-Guided intervention.
Conclusions
Multidomain lifestyle interventions may decrease frailty and slow aging processes with greater structure and intensity, resulting in greater benefits.
Clinical Trial Registration Number
NCT03688126
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Structured Programs Physically Slow Down Biological Aging – Neuroscience News
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