Speaking of Psychology
Why do some of us age faster than others? With Terrie Moffitt, PhD
Jan 15, 2025
Terrie Moffitt, PhD, a renowned psychology professor at Duke University and leader of the Dunedin study, dives deep into the remarkable findings on aging from this long-term research tracking over 1,000 New Zealanders since 1972. She discusses how genetics and life experiences shape not just physical but mental health as well. Moffitt highlights the innovative Dunedin-PACE test for measuring biological aging, the significance of early life circumstances, and potential lifestyle interventions that could align biological and chronological ages.
34:28
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Quick takeaways
- The Dunedin study highlights the distinction between biological aging and chronological aging, revealing how various biomarkers indicate age-related health differences.
- Lifestyle choices and early life experiences, such as smoking and childhood adversity, significantly impact the rate of biological aging and long-term health outcomes.
Deep dives
Understanding Biological Aging Through Longitudinal Studies
The Dunedin study has provided profound insights into the process of biological aging by tracking over a thousand individuals from birth to middle age. Researchers measure biological aging, which may differ significantly from chronological aging, by analyzing various biomarkers related to organ function over time. Notably, this longitudinal approach allows the study to identify individuals aging faster or slower than their peers, offering a nuanced understanding of aging processes. This method's uniqueness lies in its comprehensive data collection, enabling comparisons that can inform personal and public health strategies.
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