Study Suggests Simple Lifestyle Changes May Slow Biological Aging

Recent research indicates that making modest lifestyle adjustments could potentially slow down the body’s biological aging process.

The findings, published in the journal Aging, focused on how dietary changes and mild exercise impacted men aged 50 to 74 over three months.

The study involved a clinical trial with 48 overweight men in Japan.

During the 12-week period, one group followed a structured wellness routine, while the other maintained their usual habits.

The wellness group was instructed to consume 100 grams of plain yogurt daily.

They also received personalized dietary advice encouraging them to reduce portion sizes, limit snacking, and eliminate sugary drinks.

In addition, they were advised to engage in walking or use a stepper for about 30 minutes on at least three days each week.

To evaluate the effects of these modifications, researchers collected blood samples from all participants both before and after the study. They analyzed DNA for chemical changes that indicate cellular age.

They utilized a measurement tool known as DunedinPACE, which assesses the rate of biological aging rather than chronological age.

Those who incorporated the probiotic yogurt into their diet and exercised showed a statistically significant slowdown in their rate of aging compared to the control group. On average, their biological aging slowed by about 2.2%.

This decrease is fairly similar to findings from a previous U.S. study where participants reduced their caloric intake by 25% over two years.

Importantly, this slowdown in aging occurred regardless of weight loss, indicating it wasn’t solely tied to changes in body mass index or the number of exercise sessions logged.

Researchers also observed notable improvements in a specific DNA marker related to kidney function.

Because this study combined three separate elements—probiotics, diet, and exercise—the authors suggested that the benefits of slowing biological aging cannot be attributed to just one factor.

Instead, the overall effect appears to be a product of their combined influence.

The researchers acknowledged limitations, including the small sample size and short duration of the study, as well as the fact that participants were all overweight men of the same nationality.

They emphasized that further research is necessary to explore whether these short-term biological changes can lead to lasting, long-term health benefits.