Adults Switched to Vegan Diet for a Month—Then Their Biological Age Changed
Summary
A new study found that adults who switched to a vegan diet for one month showed changes in molecular markers linked to aging and inflammation. These changes suggest that diet can quickly affect gene activity related to the immune system and metabolism.Key Facts
- Researchers from the University of California San Diego and the University of Freiburg studied 48 healthy adults.
- Participants first followed the same diet for a week, then were assigned to either a vegan or meat-rich diet for one month.
- Both diets provided similar calorie amounts to keep weight loss from affecting results.
- Blood tests measured DNA methylation, a chemical process that influences gene activity and aging.
- The vegan group showed methylation changes linked to immune system improvement and less inflammation.
- Biological age, measured by special "epigenetic clocks," slowed down in people on the vegan diet.
- The study was short and small, so more research is needed to confirm long-term health effects.
- Even small changes, like replacing some meat with plant foods, might help improve inflammation-related gene patterns.
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