A recent study from the University of Adelaide reveals surprising insights into healthy aging. It shows how our lifestyle choices impact aging and highlights the role of genetics.
Researchers looked at data from over 13,000 participants in the Canadian Longitudinal Study on Aging. They discovered that factors like diet, exercise, sleep, smoking, education, employment, and social engagement significantly affect our aging process. But here’s the twist: the impact of these factors varies depending on a person’s genetic make-up.
The study focused on what’s called “intrinsic capacity.” This term combines our physical and mental abilities needed to stay independent throughout life. Those who maintained a healthy lifestyle—like being physically active and following a Mediterranean diet—tended to age better. Conversely, habits like smoking and inconsistent sleep patterns were linked to a decline in both physical and mental abilities.
Associate Professor Azmeraw Amare noted that this research sheds light on the complex relationship between genetics and lifestyle. “How our genes interact with lifestyle choices can shape aging,” he explained. Interestingly, while those with a genetic advantage for strong intrinsic capacity were less affected by short sleep, long sleep had a more detrimental effect, especially for middle-aged adults.
This research also highlights the benefits of a Mediterranean diet and higher education. Even for those with less genetic predisposition to healthy aging, these lifestyle factors provided a significant boost.
PhD candidate Melkamu Bedimo Beyene mentioned this is the first study to illustrate how genetics and lifestyle factors work together in influencing aging. Professor Renuka Visvanathan, a geriatrics expert at the university, emphasized the importance of promoting functional ability rather than simply focusing on disease prevention. This approach can enhance independence and improve quality of life as we age.
The study, published in The Journals of Gerontology: Biological Sciences, sets the stage for future research aimed at developing strategies to support healthy aging. By understanding these interactions better, we can work toward a healthier future for older adults.
For those interested, the full study is available here.
Source link
Active Ageing,ageing,healthy ageing,research
