Body Mass Index, Physical Activity, And Epigenetic Aging: A Cross-Population Study
Have you ever wondered if your lifestyle choices, particularly your weight and activity levels, impact how quickly your body ages on a cellular level? Recent research sheds light on this fascinating connection, revealing that a higher body mass index (BMI), even from childhood, is directly associated with an accelerated biological aging process. This means that individuals with higher BMIs tend to show signs of aging in their cells at a faster rate than their chronological age would suggest.
The study found that this cellular aging, often measured by “epigenetic clocks” which look at changes in your DNA, becomes more pronounced as BMI increases. Interestingly, the research also highlighted a significant difference between sexes, with females experiencing more severe accelerated aging at the same BMI levels compared to males.
But there’s good news! The findings also emphasize the crucial role of physical activity. Regular movement acts as an important buffer, helping to slow down this accelerated cellular aging. It appears that being physically active can counteract some of the negative effects of a higher BMI on your body’s aging process, by reducing DNA damage and inhibiting the activation of genes linked to aging. This suggests that while maintaining a healthy weight is important, incorporating physical activity into your daily routine offers a powerful way to promote cellular health and potentially extend your “healthspan.
Source: link to paper