# Can diet reverse aging and extend life?

> Diet may slow aging by rewriting epigenetic software, but longer life remains uncertain.
- Title: Can diet reverse aging and extend life? · Seattletimes
- Summary: Diet may slow aging by rewriting epigenetic software, but longer life remains uncertain. Diet and lifestyle can reduce biological age by 3.23 years in eight…
- Keywords: epigenetic clock, biological age, diet, longevity, methylation, chronological age, healthspan, biological aging, epigenome, probiotics, phytonutrients, randomized clinical trial
- Source: Seattletimes — https://seattletimes.com/life/wellness/can-how-we-eat-turn-back-the-clock-on-aging-and-help-us-live-forever
- Read time: 1 min
- Topics: epigenetic clock, biological age, diet, longevity, methylation, chronological age, healthspan, biological aging, epigenome, probiotics, phytonutrients, randomized clinical trial
## What is the epigenetic clock?
Scientists use epigenetic clocks to estimate biological age through DNA methylation patterns.

> If your DNA is the hardware of a computer, your epigenome is the software, determining which genes are turned on or off at any given time.
## How does methylation work?
Methyl groups attach to DNA regions to regulate gene expression without altering genetic sequence.

> This process involves tiny chemical tags (methyl groups, made of one carbon atom and three hydrogen atoms) attaching to specific regions of our DNA, regulating gene expression without altering the underlying genetic sequence itself.
## Epigenetic age predicts health
A faster epigenetic clock indicates higher risk of early death and age-related diseases.

> If your epigenetic clock ticks faster than your chronological age, you experience "epigenetic age acceleration," and that is a strong predictor of early mortality and age-related diseases.
## Diet can rewrite epigenetic software
Leafy greens, broccoli, beans, lentils, eggs, seeds, and fortified foods support methylation.

> Many nutrients and food compounds found in leafy greens, broccoli and other cruciferous vegetables, beans and lentils, eggs, seeds, and fortified foods support methylation directly or indirectly.
## Diet trials show promise
An eight-week trial reduced biological age by 3.23 years in 43 men aged 50-72.

> One randomized clinical pilot trial of 43 healthy men ages 50-72 found that eight weeks of guidance on diet, exercise, sleep and relaxation, along with supplemental probiotics and phytonutrients, was associated with a 3.23-year decrease in biological age.
## Diet and activity interact
Healthier diets benefit aging slower in less active people but show mixed results with active individuals.

> Interestingly, healthier diets had a stronger protective effect against accelerated aging among participants who had low levels of physical activity, whereas those with high physical activity showed similar aging rates regardless of diet quality.
## Longer life not guaranteed
Changing epigenetic clocks does not prove longer lifespans, as studies lack long-term data.

> So far, longevity research has not proven that changing the clock guarantees a longer lifespan.
## Healthy habits improve health
Eating well, staying active, and managing stress can extend healthspan without halting aging.

> By eating a variety of nutritious foods, staying physically active and managing stress, we can feel better in the short term while also playing the long game, we might live a bit longer and stay healthier for those extra years.
## What happens next?
Adopting healthy habits may slow aging but cannot prevent death or stop aging entirely.

> Like it or not, we’re all going to age, if we’re lucky to live long enough, and eventually we will all die.
## Key takeaway

Diet and lifestyle can reduce biological age by 3.23 years in eight weeks, but longer life is not guaranteed.